#include<stdio.h>
int main()
{
	int n;
	scanf("%d", &n);
	switch (n % 7)
	{
	case 0:
		printf("Tuesday\n");
		break;
	case 1:
		printf("Wednesday\n");
		break;
	case 2:
		printf("Thursday\n");
		break;
	case 3:
		printf("Friday\n");
		break;
	case 4:
		printf("Saturday\n");
		break;
	case 5:
		printf("Sunday\n");
		break;
	default:
		printf("Monday\n");
	}
	return 0;
}