using System;

public class Program

{

    public static void Main()

    {

        int F1 = 0;

        int F2 = 0;

        int F3 = 0;

        int F4 = 0;

        int Result = 0;

        int Answer = 0;

        Console.WriteLine("Please input the first number: ");

        F1 = int.Parse(Console.ReadLine());

        Console.WriteLine("Please input the second number: ");

        F2 = int.Parse(Console.ReadLine()); 

        Console.WriteLine("Please input the third number: ");

        F3 = int.Parse(Console.ReadLine());

        Console.WriteLine("Please input the fourth number: ");

        F4 = int.Parse(Console.ReadLine());

        Result = (F1 + F2 + F3 + F4);

        Answer = (Result / 4);

        Console.WriteLine("The answer is: " + Answer);

    }

}