#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
switch(n){
case 1:cout<<"Monday"<<endl;break;
case 2:cout<<"Tuesday"<<endl;break;
case 3:cout<<"Wednesday"<<endl;break;
case 4:cout<<"Thursday"<<endl;break;
case 5:cout<<"Friday "<<endl;break;
case 6:cout<<"Saturday "<<endl;break;
case 7:cout<<"Sunday "<<endl;break;
default:cout<<"input error"<<endl;
return 0;
}
}
