

'''simple docstring'''
from math import factorial







def  _A		(     snake_case = 1_00					)      ->     int:
   return sum(int(snake_case					) for x in str(factorial(snake_case					)					)					)


if __name__ == "__main__":
    print(solution(int(input('Enter the Number: ').strip())))









'''simple docstring'''
def  _A		(     snake_case		,							snake_case					)      ->     int:
   return int((input_a, input_a).count(0					) != 0					)







def  _A		(     )      ->     None:
   assert nand_gate(0		,							0					) == 1
   assert nand_gate(0		,							1					) == 1
   assert nand_gate(1		,							0					) == 1
   assert nand_gate(1		,							1					) == 0


if __name__ == "__main__":
    print(nand_gate(0, 0))
    print(nand_gate(0, 1))
    print(nand_gate(1, 0))
    print(nand_gate(1, 1))






