#include <iostream>
#include <iomanip>

using namespace std;

using NumberT = unsigned long long;
//typedef unsigned long long NumberT;

NumberT Factorial(int n);

int main() {
    int n;
    NumberT nFactorial;

    n = 0;
    for(n = 0; n < 24; ++n) {
       nFactorial = Factorial(n);
       cout << setw(3) << n << setw(30) << nFactorial << endl;
    }

}

NumberT Factorial(int n){
    int i;
    NumberT result{1};

    for(i = 2; i <= n; ++i) {
        result *=i;
    }

    return result;
}