firstex

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int hour;
        int time;
        //ask from the user what you want
        System.out.println("please enter hour: ");
        hour=s.nextInt();
        //calc the hour
        time=(hour+10)%24;
        //
        System.out.println("the hour is: "+time);
    }
}