import java.util.Scanner;

public class Jab{
	public static void main(String [] arg){
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter year : (e.g., 2008):");
		int a = sc.nextInt();
		System.out.print("Enter month : 1-12");
		int m = sc.nextInt();
		if(m==1){
			m=13;
			a--;
		}
		if(m==2){
			m=14;
			a--;
		}
		System.out.print("Enter the day of the month : 1-31 :");
		int q = sc.nextInt();
		int j = a/100;
		int k = a%100;
		int h = (q + ((26*(m+1))/10) + k + (k/4) + (j/4)+(5*j))%7;
		String fuck = "";

		switch(h){
		case 0: fuck="Saturday"; break;
		case 1: fuck="Sunday";   break;
		case 2: fuck="Monday"; break;
		case 3: fuck="Tuesday"; break;
		case 4: fuck="Wednesday"; break;
		case 5: fuck="Thursday"; break;
		case 6: fuck="Friday"; break;
		}

		System.out.print("Day of the week is ");
		System.out.print(fuck);
	}
}