#include <iostream>
using namespace std;
int main()
{
int a;
cin>>a;
if(a<8)
if(a==1)
cout<<"Monday";
if(a==2)
cout<<"Tuesday";
if(a==3)
cout<<"Wednesday";
if(a==4)
cout<<"Thursday";
if(a==5)
cout<<"Friday";
if(a==6)
cout<<"Saturday";
if(a==7)
cout<<"Sunday";
return 0;
}