





'''simple docstring'''







def 		SCREAMING_SNAKE_CASE   (       )      ->    Any:

     '''simple docstring'''




     _lowercase				:   List[Any]	    =				[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

     _lowercase				:   Tuple	    =				6
     _lowercase				:   List[Any]	    =				1
     _lowercase				:   Union[str, Any]	    =				19_01

     _lowercase				:   Optional[Any]	    =				0

     while year < 20_01:
          day += 7

          if (year % 4 == 0 and year % 1_00 != 0) or (year % 4_00 == 0):
               if day > days_per_month[month - 1] and month != 2:
                    month += 1
                    _lowercase				:   Any	    =				day - days_per_month[month - 2]
               elif day > 29 and month == 2:
                    month += 1
                    _lowercase				:   Optional[Any]	    =				day - 29
          else:
               if day > days_per_month[month - 1]:
                    month += 1
                    _lowercase				:   List[Any]	    =				day - days_per_month[month - 2]

          if month > 12:
               year += 1
               _lowercase				:   Any	    =				1

          if year < 20_01 and day == 1:
               sundays += 1
     return sundays


if __name__ == "__main__":
    print(solution())






def  __magic_name__  (				lowercase = 100				)				-> int:

							"""simple docstring"""



							lowercase_	:   Dict  				=     (n * (n + 1) // 2) ** 2
							lowercase_	:   List[str]  				=     n * (n + 1) * (2 * n + 1) // 6
							return sum_cubes - sum_squares


if __name__ == "__main__":
							print(F'''{solution() = }''')