#include <iostream>
#include <string.h>

using namespace std;
int main()
{
    unsigned int n;
    long double fatorial = 1;
    cout << "Entre com o número: ";
    cin >> n;
    for(int i = 1; i <=n; ++i)
    {
        fatorial *= i;
    }

    string s = to_string(fatorial);
    cout << "Fatorial de " << n << " = " << s;
    return 0;
}