using System;

public class Program

{

    public static void Main()

    {

        int n = 0;

        int [] numbers = {1,2,100,4,5,6,7};

        n = numbers.Length;

        int max = 0;

        for(int i = 0 ; i < n ; i++)

        {   

            if(numbers[i] > max)

            {

                max = numbers[i];

            }

       }

        Console.WriteLine(max);

    }

}