#include <stdio.h> int main() {int n; scanf("%d",&n); int sum =1; for(int i=1;i<=n;i++) { sum=sum*i; } printf("%d!=%d",n,sum); return 0;}
#include <stdio.h> int main() {int n; scanf("%d",&n); int sum =1; for(int i=1;i<=n;i++) { sum=sum*i; } printf("%d!=%d",n,sum); return 0;}