



'''simple docstring'''

import re
import tempfile
from pathlib import Path

import pytest
import yaml

from datasets.utils.readme import ReadMe


# @pytest.fixture
# def example_yaml_structure():

snake_case_			=     yaml.safe_load(
    """\
name: \"\"
allow_empty: false
allow_empty_text: true
subsections:
  - name: \"Dataset Card for X\" # First-level markdown heading
    allow_empty: false
    allow_empty_text: true
    subsections:
      - name: \"Table of Contents\"
        allow_empty: false
        allow_empty_text: false
        subsections: null
      - name: \"Dataset Description\"
        allow_empty: false
        allow_empty_text: false
        subsections:
          - name: \"Dataset Summary\"
            allow_empty: false
            allow_empty_text: false
            subsections: null
          - name: \"Supported Tasks and Leaderboards\"
            allow_empty: true
            allow_empty_text: true
            subsections: null
          - name: Languages
            allow_empty: false
            allow_empty_text: true
            subsections: null
"""
)


snake_case_			=     {
    """name""": """root""",
    """text""": """""",
    """is_empty_text""": True,
    """subsections""": [
        {
            """name""": """Dataset Card for My Dataset""",
            """text""": """""",
            """is_empty_text""": True,
            """subsections""": [
                {"""name""": """Table of Contents""", """text""": """Some text here.""", """is_empty_text""": False, """subsections""": []},
                {
                    """name""": """Dataset Description""",
                    """text""": """Some text here.""",
                    """is_empty_text""": False,
                    """subsections""": [
                        {
                            """name""": """Dataset Summary""",
                            """text""": """Some text here.""",
                            """is_empty_text""": False,
                            """subsections""": [],
                        },
                        {
                            """name""": """Supported Tasks and Leaderboards""",
                            """text""": """""",
                            """is_empty_text""": True,
                            """subsections""": [],
                        },
                        {"""name""": """Languages""", """text""": """Language Text""", """is_empty_text""": False, """subsections""": []},
                    ],
                },
            ],
        }
    ],
}


snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""


snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
#### Extra Ignored Subsection
### Supported Tasks and Leaderboards
### Languages
Language Text
"""

snake_case_			=     {
    """name""": """root""",
    """text""": """""",
    """is_empty_text""": True,
    """subsections""": [
        {
            """name""": """Dataset Card for My Dataset""",
            """text""": """""",
            """is_empty_text""": True,
            """subsections""": [
                {"""name""": """Table of Contents""", """text""": """Some text here.""", """is_empty_text""": False, """subsections""": []},
                {
                    """name""": """Dataset Description""",
                    """text""": """Some text here.""",
                    """is_empty_text""": False,
                    """subsections""": [
                        {
                            """name""": """Dataset Summary""",
                            """text""": """Some text here.""",
                            """is_empty_text""": False,
                            """subsections""": [
                                {
                                    """name""": """Extra Ignored Subsection""",
                                    """text""": """""",
                                    """is_empty_text""": True,
                                    """subsections""": [],
                                }
                            ],
                        },
                        {
                            """name""": """Supported Tasks and Leaderboards""",
                            """text""": """""",
                            """is_empty_text""": True,
                            """subsections""": [],
                        },
                        {"""name""": """Languages""", """text""": """Language Text""", """is_empty_text""": False, """subsections""": []},
                    ],
                },
            ],
        }
    ],
}

snake_case_			=     """\
---
---
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""

snake_case_			=     (
    """The following issues were found for the README at `{path}`:\n-\tEmpty YAML markers are present in the README."""
)

snake_case_			=     """\
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""

snake_case_			=     (
    """The following issues were found for the README at `{path}`:\n-\tNo YAML markers are present in the README."""
)

snake_case_			=     """\
---
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""

snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tOnly the start of YAML tags present in the README."""

snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
### Supported Tasks and Leaderboards
### Languages
Language Text
"""
snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tExpected some content in section `Dataset Summary` but it is empty.\n-\tExpected some text in section `Dataset Summary` but it is empty (text in subsections are ignored)."""


snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
"""
snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tExpected some content in section `Dataset Card for My Dataset` but it is empty.\n-\tSection `Dataset Card for My Dataset` expected the following subsections: `Table of Contents`, `Dataset Description`. Found 'None'."""

snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Languages
Language Text
"""

snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tSection `Dataset Description` is missing subsection: `Supported Tasks and Leaderboards`."""


snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
"""

snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tExpected some content in section `Languages` but it is empty."""

snake_case_			=     """\
---
language:
- zh
- en
---

## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""
snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tThe README has no first-level headings. One heading is expected. Skipping further validation for this README."""

snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
# Dataset Card My Dataset
"""

snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tThe README has several first-level headings: `Dataset Card for My Dataset`, `Dataset Card My Dataset`. Only one heading is expected. Skipping further validation for this README."""

snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""

snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tNo first-level heading starting with `Dataset Card for` found in README. Skipping further validation for this README."""

snake_case_			=     """"""

snake_case_			=     """The following issues were found for the README at `{path}`:\n-\tThe README has no first-level headings. One heading is expected. Skipping further validation for this README.\n-\tNo YAML markers are present in the README."""

snake_case_			=     """\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
"""

snake_case_			=     """The following issues were found while parsing the README at `{path}`:\n-\tMultiple sections with the same heading `Dataset Card for My Dataset` have been found. Please keep only one of these sections."""






@pytest.mark.parametrize(
    '''readme_md, expected_dict'''    ,	[
        (README_CORRECT, CORRECT_DICT),
        (README_CORRECT_FOUR_LEVEL, CORRECT_DICT_FOUR_LEVEL),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :int    ,	_SCREAMING_SNAKE_CASE      :str       ):
				assert ReadMe.from_string(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE       ).to_dict() == expected_dict






@pytest.mark.parametrize(
    '''readme_md, expected_error'''    ,	[
        (README_NO_YAML, EXPECTED_ERROR_README_NO_YAML),
        (README_EMPTY_YAML, EXPECTED_ERROR_README_EMPTY_YAML),
        (README_INCORRECT_YAML, EXPECTED_ERROR_README_INCORRECT_YAML),
        (README_EMPTY, EXPECTED_ERROR_README_EMPTY),
        (README_NONE_SUBSECTION, EXPECTED_ERROR_README_NONE_SUBSECTION),
        (README_MISSING_FIRST_LEVEL, EXPECTED_ERROR_README_MISSING_FIRST_LEVEL),
        (README_MISSING_SUBSECTION, EXPECTED_ERROR_README_MISSING_SUBSECTION),
        (README_MISSING_TEXT, EXPECTED_ERROR_README_MISSING_TEXT),
        (README_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_WRONG_FIRST_LEVEL),
        (README_MULTIPLE_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_MULTIPLE_WRONG_FIRST_LEVEL),
        (README_MISSING_CONTENT, EXPECTED_ERROR_README_MISSING_CONTENT),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :Optional[int]    ,	_SCREAMING_SNAKE_CASE      :Any       ):
				with pytest.raises(_SCREAMING_SNAKE_CASE    ,	match=re.escape(expected_error.format(path='''root'''       )       )       ):
								SCREAMING_SNAKE_CASE  :						str      					= ReadMe.from_string(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE       )
								readme.validate()






@pytest.mark.parametrize(
    '''readme_md, expected_error'''    ,	[
        (README_MULTIPLE_SAME_HEADING_1, EXPECTED_ERROR_README_MULTIPLE_SAME_HEADING_1),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :int    ,	_SCREAMING_SNAKE_CASE      :int       ):
				with pytest.raises(_SCREAMING_SNAKE_CASE    ,	match=re.escape(expected_error.format(path='''root'''       )       )       ):
								ReadMe.from_string(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE       )






@pytest.mark.parametrize(
    '''readme_md,'''    ,	[
        (README_MULTIPLE_SAME_HEADING_1),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :Optional[Any]       ):
				ReadMe.from_string(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE    ,	suppress_parsing_errors=_SCREAMING_SNAKE_CASE       )






@pytest.mark.parametrize(
    '''readme_md, expected_dict'''    ,	[
        (README_CORRECT, CORRECT_DICT),
        (README_CORRECT_FOUR_LEVEL, CORRECT_DICT_FOUR_LEVEL),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :int    ,	_SCREAMING_SNAKE_CASE      :Optional[Any]       ):
				with tempfile.TemporaryDirectory() as tmp_dir:
								SCREAMING_SNAKE_CASE  :						int      					= Path(_SCREAMING_SNAKE_CASE       ) / '''README.md'''
								with open(_SCREAMING_SNAKE_CASE    ,	'''w+'''       ) as readme_file:
												readme_file.write(_SCREAMING_SNAKE_CASE       )
								SCREAMING_SNAKE_CASE  :						Union[str, Any]      					= ReadMe.from_readme(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE       ).to_dict()
								assert out["name"] == path
								assert out["text"] == ""
								assert out["is_empty_text"]
								assert out["subsections"] == expected_dict["subsections"]






@pytest.mark.parametrize(
    '''readme_md, expected_error'''    ,	[
        (README_NO_YAML, EXPECTED_ERROR_README_NO_YAML),
        (README_EMPTY_YAML, EXPECTED_ERROR_README_EMPTY_YAML),
        (README_INCORRECT_YAML, EXPECTED_ERROR_README_INCORRECT_YAML),
        (README_EMPTY, EXPECTED_ERROR_README_EMPTY),
        (README_NONE_SUBSECTION, EXPECTED_ERROR_README_NONE_SUBSECTION),
        (README_MISSING_FIRST_LEVEL, EXPECTED_ERROR_README_MISSING_FIRST_LEVEL),
        (README_MISSING_SUBSECTION, EXPECTED_ERROR_README_MISSING_SUBSECTION),
        (README_MISSING_TEXT, EXPECTED_ERROR_README_MISSING_TEXT),
        (README_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_WRONG_FIRST_LEVEL),
        (README_MULTIPLE_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_MULTIPLE_WRONG_FIRST_LEVEL),
        (README_MISSING_CONTENT, EXPECTED_ERROR_README_MISSING_CONTENT),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :Any    ,	_SCREAMING_SNAKE_CASE      :List[str]       ):
				with tempfile.TemporaryDirectory() as tmp_dir:
								SCREAMING_SNAKE_CASE  :						Optional[int]      					= Path(_SCREAMING_SNAKE_CASE       ) / '''README.md'''
								with open(_SCREAMING_SNAKE_CASE    ,	'''w+'''       ) as readme_file:
												readme_file.write(_SCREAMING_SNAKE_CASE       )
								SCREAMING_SNAKE_CASE  :						Optional[int]      					= expected_error.format(path=_SCREAMING_SNAKE_CASE       )
								with pytest.raises(_SCREAMING_SNAKE_CASE    ,	match=re.escape(_SCREAMING_SNAKE_CASE       )       ):
												SCREAMING_SNAKE_CASE  :						Any      					= ReadMe.from_readme(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE       )
												readme.validate()






@pytest.mark.parametrize(
    '''readme_md, expected_error'''    ,	[
        (README_MULTIPLE_SAME_HEADING_1, EXPECTED_ERROR_README_MULTIPLE_SAME_HEADING_1),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :List[str]    ,	_SCREAMING_SNAKE_CASE      :Optional[int]       ):
				with tempfile.TemporaryDirectory() as tmp_dir:
								SCREAMING_SNAKE_CASE  :						Tuple      					= Path(_SCREAMING_SNAKE_CASE       ) / '''README.md'''
								with open(_SCREAMING_SNAKE_CASE    ,	'''w+'''       ) as readme_file:
												readme_file.write(_SCREAMING_SNAKE_CASE       )
								SCREAMING_SNAKE_CASE  :						str      					= expected_error.format(path=_SCREAMING_SNAKE_CASE       )
								with pytest.raises(_SCREAMING_SNAKE_CASE    ,	match=re.escape(_SCREAMING_SNAKE_CASE       )       ):
												ReadMe.from_readme(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE       )






@pytest.mark.parametrize(
    '''readme_md,'''    ,	[
        (README_MULTIPLE_SAME_HEADING_1),
    ]    ,	)
def       __lowercase  (_SCREAMING_SNAKE_CASE      :Optional[int]       ):
				with tempfile.TemporaryDirectory() as tmp_dir:
								SCREAMING_SNAKE_CASE  :						Optional[int]      					= Path(_SCREAMING_SNAKE_CASE       ) / '''README.md'''
								with open(_SCREAMING_SNAKE_CASE    ,	'''w+'''       ) as readme_file:
												readme_file.write(_SCREAMING_SNAKE_CASE       )
								ReadMe.from_readme(_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE    ,	suppress_parsing_errors=_SCREAMING_SNAKE_CASE       )






'''simple docstring'''

from __future__ import annotations






def       __lowercase  (_SCREAMING_SNAKE_CASE      :int | str       ):
				SCREAMING_SNAKE_CASE  :						int      					= str(_SCREAMING_SNAKE_CASE       )
				return n == n[::-1]






def       __lowercase  (_SCREAMING_SNAKE_CASE      :int = 1_00_00_00       ):
				SCREAMING_SNAKE_CASE  :						int      					= 0

				for i in range(1    ,	_SCREAMING_SNAKE_CASE       ):
								if is_palindrome(_SCREAMING_SNAKE_CASE       ) and is_palindrome(bin(_SCREAMING_SNAKE_CASE       ).split('''b'''       )[1]       ):
												total += i
				return total


if __name__ == "__main__":
	print(solution(int(str(input().strip()))))




