#include <stdio.h>
int kaijo (int x){
    int total=1;
    for(int i=x;i>=1;i--){
        total=total*i;
    }
    return total;
}

int main(){
    for (int i=1;i<=10;i++){
        printf("%d!=%d\n",i,kaijo(i));
    }
    return 0;
}