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