import java.util.*;

public class Methods1 {

    public static void invalidValue() {
		System.out.println ("You have entered an invalid value.");
		System.out.println ("The program will now exit.");
		System.exit (0);
    }

    public static void validValue() {
		System.out.println ("You have entered an valid value.");
		System.out.println ("Congratulations!");
		System.out.println ("The program will now exit.");
		System.exit (0);
    }

    public static void main (String args[]) {
		Scanner stdin = new Scanner (System.in);
		System.out.println ("Enter a valid int value");
		int value = stdin.nextInt();
		if ( value == 1 )
		    validValue();
		else if ( value == 2 )
		    validValue();
		else if ( value == 3 )
		    invalidValue();
		else if ( value == 4 )
		    invalidValue();
		else
		    validValue();
    }
}