#include <iostream>
using namespace std;

int main() {
    char c;
    cin>>c;
    switch(c)
    {
        case '1': cout<<"Monday";break;
        case '2': cout<<"Tuesday";break;
        case '3':cout<<"Wednesday";break;
        case '4':cout<<"Thursday";break;
        case '5':cout<<"Friday";break;
        case '6':cout<<"Saturday";break;
        case '7': cout<<"Sunday";break;
        dafault: cout<<"去你妈的";
    }
    return 0;
}