The last two task are failed. Please help🤷
package de.codegym.task.task05.task0532;
import java.io.*;
/*
Aufgabe zu Algorithmen
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int maximum = Integer.parseInt(reader.readLine());
int num = Integer.parseInt(reader.readLine());
if(maximum > 0 && num > 0){
while(maximum < num){
maximum = num;
num = Integer.parseInt(reader.readLine());
}
}
System.out.println(maximum);
}
}