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  1. n = input()
  2. mult = 1
  3. fac = 1
  4. for i in range(0,n):
  5. fac *= (i+1)%109546051211
  6. mult = (mult * fac) %109546051211
  7.  
  8. print mult
  9.  
  10.  
Success #stdin #stdout 0.01s 7856KB
stdin
5

stdout
34560