#include <stdio.h>

int main()
{
  int   i, n;
  long  ris;

  for (n = 3; n <= 9; n++)
  {
    ris = 1;
    for (i = 1; i <= n; i++)
      ris = ris * i;
    printf("%3d! e' %ld\n", n, ris);
  }
  return(0);
}