import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int day = scan.nextInt();
switch(day) {
case 1:System.out.println("Monday");
break;
case 2:System.out.println("Tuesday");
break;
case 3:System.out.println("Wednesday");
break;
case 4:System.out.println("Thursday");
break;
case 5:System.out.println("Friday");
break;
case 6:System.out.println("Saturday");
break;
case 7:System.out.println("Sunday");
break;
default:System.out.println("Input error");
}
}
}