package com.codegym.task.task04.task0412; /* Positive and negative numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); /* String str = reader.readLine();*/ System.out.println("Enter number"); String sNum = reader.readLine(); int num = Integer.parseInt(sNum); if (num % 2 == 0 ){ num *= 2; System.out.println(num); } if (num % 2 == 1){ num += 1; System.out.println(num); } if (num == 0) System.out.println("Zero"); } }