Java :

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner n = new Scanner(System.in);
		int y = n.nextInt();
		int fD = n.nextInt();
		int c = 0;
		for (int month = 1; month <= 12; month++) {
			switch (month) {
			case 1:
				System.out.print("January 1, " + y + " is ");
				c = 31;
				break;
			case 2:
				System.out.print("February 1, " + y + " is ");
				if (y % 400 == 0 || (y % 4 == 0 && y % 100 != 0))
					c = 29;
				else
					c = 28;
				break;
			case 3:
				System.out.print("March 1, " + y + " is ");
				c = 31;
				break;
			case 4:
				System.out.print("April 1, " + y + " is ");
				c = 30;
				break;
			case 5:
				System.out.print("May 1, " + y + " is ");
				c = 31;
				break;
			case 6:
				System.out.print("June 1, " + y + " is ");
				c = 30;
				break;
			case 7:
				System.out.print("July 1, " + y + " is ");
				c = 31;
				break;
			case 8:
				System.out.print("August 1, " + y + " is ");
				c = 31;
				break;
			case 9:
				System.out.print("September 1, " + y + " is ");
				c = 30;
				break;
			case 10:
				System.out.print("October 1, " + y + " is ");
				c = 31;
				break;
			case 11:
				System.out.print("November 1, " + y + " is ");
				c = 30;
				break;
			case 12:
				System.out.print("December 1, " + y + " is ");
				c = 31;
				break;
			}

			switch (fD) {
			case 0:
				System.out.println("Sunday");
				break;
			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;
			}
			fD = (fD + c) % 7;
		}
	}
}