package com.javarush.task.task05.task0532;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList<Integer>list=new ArrayList<Integer>();
BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
int n=Integer.parseInt(reader.readLine());
if (n<=0) {
System.exit(0);
}
for(int i=0;i<n;i++){
int z=Integer.parseInt(reader.readLine());
list.add(z);
}
System.out.println(Collections.max(list));
}
}
package com.javarush.task.task05.task0532;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList<Integer>list=new ArrayList<Integer>();
BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
int n=Integer.parseInt(reader.readLine());
if (n<=0) {
System.exit(0);
}
for(int i=0;i<n;i++){
int z=Integer.parseInt(reader.readLine());
list.add(z);
}
System.out.println(Collections.max(list));
}
}