import java.util.Scanner;

public class Example4
{
    public static void main(String [] args)
    {
        final int DEFAULT_AGE = -1; // Constant: syntax enforced        

        Scanner in = new Scanner(System.in); //For keyboard input
        String name = "";
        int age = DEFAULT_AGE;

        System.out.print("Enter you name: ");
        name = in.nextLine();

        System.out.print("Enter your age: ");
        age = in.nextInt();

        System.out.println("Hello to " + name + " " +
                            +age + " years old.");
        
    }
}