#include <stdio.h>
#include<math.h>
using namespace std;

int Zeller(int month, int day) {
	int year = 2004;
	if (month == 1 || month == 2) {
		year--;
		month += 12;
	}
	return (year + year / 4 - year / 100 + year / 400 + (13 * month + 8) / 5 + day) % 7;
}

int main() {

	int month, day;
	while (true) {
		scanf("%d %d", &month, &day);
		if (month == 0)break;

		switch (Zeller(month, day)) {
		case 0:
			printf("Sunday\n");
			break;
		case 1:
			printf("Monday\n");
			break;
		case 2:
			printf("Tuesday\n");
			break;
		case 3:
			printf("Wednesday\n");
			break;
		case 4:
			printf("Thursday\n");
			break;
		case 5:
			printf("Friday\n");
			break;
		case 6:
			printf("Saturday\n");
			break;
		}

	}

	return 0;
}
