#include <iostream>
using namespace std;

string week[] ={"Mon","tue","Wen","Thu","Fri","Sat","Sun"};
int main(){
    int y,m,d;
    while(cin>>y>>m>>d){
        if(m<3){
            m+=12;
            y--;
        }
        int w = (y+y/4+y/400-y/100+2*m+3*(m+1)/5+d)%7;
        cout<<week[w]<<endl;
    }
    return 0;
}