#include <iostream>

using namespace std;

int main()
{
    int x;
    string months = "JanFebMarAprMayJunJulAugSepOctNovDec";

    cout << "Enter an integer between (1-12): " << endl;
    
    cin >> x;

    cout << months.substr((x-1)*3, 3);
    return 0;
}