Летопись GOV

#include <iostream>
#include <conio.h>
#include <math.h>
#include <string>
#include <algorithm>

using namespace ::std;

int main()
{
    int n, d[13];
    cin >> n;
    d[0] = 5;
    d[1] = 21;
    d[2] = 12;
    d[3] = 2;
    d[4] = 1;
    d[5] = 4;
    d[6] = 6;
    d[7] = 1;
    d[8] = 4;
    d[9] = 4;
    d[10] = 1;
    d[11] = 0;
    d[12] = 1;
    d[13] = 1;
    cout << d[n];
    _getch();
    return 0;
}