<gh_stars>0
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
n! means n × (n − 1) × ... × 3 × 2 × 1

For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800,
and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.

Find the sum of the digits in the number 100!
"""


def main():
	factorial = lambda x: x * factorial(x - 1) if x else 1
	print(sum(map(int, str(factorial(100)))))

if __name__ == '__main__':
	main()
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
n! means n × (n − 1) × ... × 3 × 2 × 1

For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800,
and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.

Find the sum of the digits in the number 100!
"""


def main():
	factorial = lambda x: x * factorial(x - 1) if x else 1
	print(sum(map(int, str(factorial(100)))))

if __name__ == '__main__':
	main()
#!/usr/bin/env python # -*- coding: utf-8 -*- n! means n × (n − 1) × ... × 3 × 2 × 1  For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800, and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.  Find the sum of the digits in the number 100!