?
package com.javarush.task.task05.task0532;
import java.io.*;
/*
Задача по алгоритмам
*/
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){
for (int i=0; i<N; i++) {
int a = Integer.parseInt(reader.readLine());
if (maximum<=a)
maximum = a;
}
}
System.out.println(maximum);
}
}