#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main(){
	int d;
	cin>>d;
	switch(d){
		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;
}