#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 <<"No";
									
	}
	return 0;
}