уф
package com.javarush.task.task05.task0532;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Задача по алгоритмам Ӏ Java Syntax: 5 уровень, 12 лекция
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int max = 0;
for(int i = 0; i <= 6;i++){
String a = reader.readLine();
int maximum = Integer.parseInt(a);
if(maximum >= max){
max = maximum;
}
else if(maximum <= 0){
break;
}
else{
}
}
System.out.println(max);
}
}