package javaapplication1;

import java.util.Scanner;

public class JavaApplication1 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean charMai = false;
        int num2 = 0;
        do {
            System.out.print("Input even number :");
            String inputString = sc.next();
            charMai = false;
            for (char ch : inputString.toCharArray()) {
                if (ch < '0' || ch > '9') {
                    charMai = true;
                    break;
                }
            }
            if (!charMai) {
                num2 = Integer.parseInt(inputString);
            }
        } while (!charMai && num2 % 2 == 0);
        System.out.println("Program shutdown");

    }
}