package com.codegym.task.task04.task0412; /* Positive and negative numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { InputStream inputStream= System.in; Reader inputStreamReader = new InputStreamReader(inputStream); int number = inputStreamReader.read(); if (number > 0){ number = number*2; System.out.println(number); }else if (number < 0){ number = number ++; System.out.println(number); }else{ System.out.println(number); } } }