import java.io.*;

class goofy2 {
	
	public static void main (String [] args) {
		
		InputStreamReader nab = new InputStreamReader(System.in);
		BufferedReader grab = new BufferedReader(nab);
		int badness = 3; // to allow for a certain number of failed attempts
		int x = 2, y = 0, z; 
		boolean messedUp = true, dire = false;
		
		System.out.println("Please enter an integer.");
		
		while ( !dire && messedUp && badness > 0 ) {
			try {
				y = Integer.parseInt(grab.readLine());
				System.out.println("Thanks for entering the number " + y);
				messedUp = false;
			} catch (NumberFormatException e) {
				System.out.println("Sorry, that didn't make any sense!");
				badness = badness - 1;
				if (badness > 0)
					System.out.println("Please try to enter an integer.");
				else
					System.out.println("Sorry, perhaps you need more coffee -- bye-bye!");
			} catch (IOException e) {
				System.out.println("Sorry, I can't read things today!");
				dire = true;
			}
		}
		if (dire || badness == 0)
			System.exit(1);
		
		z = x + y;
		
		System.out.println("The answer to "+x+" + "+y+" is = " + z);
	}
}