#include <bits/stdc++.h>

using namespace std;
int day;
int main()
{
    cin>>day;
    if(day==0){
        cout<<"Mon";
    }
    if(day==1){
        cout<<"Tue";
    }
    if(day==2){
        cout<<"Wed";
    }
    if(day==3){
        cout<<"Thu";
    }
    if(day==4){
        cout<<"Fri";
    }
    if(day==5){
        cout<<"Sat";
    }
    if(day==6){
        cout<<"Sun";
    }
    return 0;
}