05. Max Number

/**
 * Project: Loops - created by borkins on 2017-03-29.
 */

import java.util.Scanner;

public class _05_MaxNumber
{
    public static void main(String[] args)
    {
        Scanner console = new Scanner(System.in);

        int n = Integer.parseInt(console.nextLine());

        int max = Integer.MIN_VALUE;

        for (int i = 0; i < n; i++)
        {
            int num = Integer.parseInt(console.nextLine());
            if (num > max) max = num;
        }

        System.out.println(max);
    }
}