i am getting correct output but still failing in this case The program should display the maximum of the N entered numbers.can someone pls help

package com.codegym.task.task05.task0532; import java.io.*; /* Task about algorithms */ public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int maximum = 0; int num = Integer.parseInt(reader.readLine()); //write your code here if(num>0) { for(int i=0;i<num;i++) { int n = Integer.parseInt(reader.readLine()); if (n > maximum ) { maximum = n; } } System.out.println(maximum); } } }