#include <stdio.h>

int main() {

	int day_number;

	printf("Enter the day number:  ");
	scanf("%d", &day_number);

	if(day_number == 1) printf("Sunday");
	else if(day_number == 2) printf("Monday");
	else if(day_number == 3) printf("Tuesday");
	else if(day_number == 4) printf("Wednesday");
	else if(day_number == 5) printf("Thursday");
	else if(day_number == 6) printf("Friday");
	else if(day_number == 7) printf("Saturday");
	else printf("Error");
}