#include<bits/stdc++.h> 
using namespace std;
int main()
{
    int n;
    cin>>n;
    if(n==1) cout<<"Monday";
    else if(n==2) cout<<"Tuesday";
    else if(n==3) cout<<"Wednesday";
    else if(n==4) cout<<"Thursday";
    else if(n==5) cout<<"Friday";
    else if(n==6) cout<<"Saturday";
    else if(n==7) cout<<"Sunday";
    else cout<<"input error!";
    return 0;
}