I cant understand it, please can someone explain step by step?
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 = Integer.MIN_VALUE;
int N = Integer.parseInt(reader.readLine());
if (N > 0) {
while (N > 0) {
int numbers = Integer.parseInt(reader.readLine());
if (numbers > maximum) {
maximum = numbers;
N -= 1;
} else {
N -= 1;
}
}
System.out.println(maximum);
}
}
}