p02645 Tokio Marine & Nichido Fire Insurance Programming Contest 2020 - Nickname
When you asked some guy in your class his name, he called himself S, where S is a string of length between 3 and 20 (inclusive) consisting of lowercase English letters. You have decided to choose some three consecutive characters from S and make it his nickname. Print a string that is a valid nickname for him.

Constraints

* 3 \leq |S| \leq 20
* S consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:


S


Output

Print your answer.

Examples

Input

takahashi


Output

tak


Input

naohiro


Output

nao
```python
import sys
s = input()
print(s[:3])
```