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  1. def main():
  2. 	f=1
  3. 	n=int(input())
  4. 	for i in range(1,n):
  5. 		f=f*i
  6. 	print(f)
  7. try:
  8. 	main()
  9. except:
  10. 	print('invalid')
Success #stdin #stdout 0.01s 118656KB
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https://ideone.com/SQUFjR
language:
Python (PyPy 2.7.13)
created:
5 years ago
visibility:
public

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