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