using System;

public class Program

{

    public static void Main()

    {

        int[] a = {4,5,6,7,8};

        int tmp;

        for (int i = 0; i < a.Length; i++){

            for (int j = 1; j < a.Length; j++){

                if (a[j] > a[j-1]){

                tmp = a[j-1];

                a[j-1] = a[j];

                a[j] = tmp; 

                }

            }

        }

        Console.WriteLine("{0}", a[1]);

    }

}