#include <stdio.h>
int main(void)
{
    int i, n;
    long p=1;
    printf("Please enter n:");
    scanf("%d", &n);
    for (i=1; i<=n; i++)
    {
     p=p*i;  
     printf("%d! = %ld\n", i, p);                
    }     
    return 0;
}