#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main(void)
{
int fact = 1;
int i, n;
printf("Á¤¼ö¸¦ ÀÔ·ÂÇϽÿä: ");
scanf("%d", &n);
for (i = 1; i <= n; i++)
fact = fact * i;
printf("%d!Àº %dÀÔ´Ï´Ù.\n", n, fact);
return 0;
}