#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");
	}
}