import java.util.Scanner;

import javax.swing.JOptionPane;

public class AgeIO {

	public static void main(String[] args){

		   Scanner input = new Scanner(System.in);
		   int age1 = 0;
		   double age2i = 0;

		   //System.out.println("What is your age?");

		   try {
			   System.out.println("What is your age?");
			   age1 = Integer.parseInt(input.next());
		   }
		   catch(NumberFormatException e) {
			   System.out.println(e.getMessage() + " is not an integer.");
		   }

		   if(age1 < 0)
			   throw new IllegalArgumentException("The age does not compute.");

		   System.out.println("Your age is " + age1 + ".");

		   String age2 = JOptionPane.showInputDialog(null, "What is your age again?");

		   try {
			   age2i = Double.parseDouble(age2);
		   }
		   catch(NumberFormatException e){
			   JOptionPane.showMessageDialog(null, e.getMessage() + "is not an integer.");
		   }

		JOptionPane.showMessageDialog(null, "My age is " + age2i);
		   System.exit(0);
	}

}