package com.codegym.task.task07.task0701;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/*
Maximum in an array

*/

public class Solution {
    public static void main(String[] args) throws Exception {
        int[] array = initializeArray();
        int max = max(array);
        System.out.println(max);
    }

    public static int[] initializeArray() throws IOException {
        // Create and populate the array
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int[] x = new int[20];

        for(int i =0; i < x.length; i++){
            x[i] = Integer.parseInt(reader.readLine());
        }


        return null;
    }

    public static int max(int[] array) {
        // Find the maximum
        int maxi = array[0];

        for(int i = 0; i < array.length; i++){
            if (array[i] > maxi){
                maxi = array[i];
            }
        }
        return 0;
    }
}