using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Enter the first number: ");

        string IvestasSkaicius1 = Console.ReadLine();

        int skaicius1 = int.Parse(IvestasSkaicius1);

        Console.Write("Enter the second number: ");

        string IvestasSkaicius2 = Console.ReadLine();

        int skaicius2 = int.Parse(IvestasSkaicius2);

        Console.Write("Enter the third number: ");

        string IvestasSkaicius3 = Console.ReadLine();

        int skaicius3 = int.Parse(IvestasSkaicius3);

        Console.Write("Enter the fouth number: ");

        string IvestasSkaicius4 = Console.ReadLine();

        int skaicius4 = int.Parse(IvestasSkaicius4);

        Console.Write("The average of {0}, {1}, {2}, {3} is: ", skaicius1, skaicius2, skaicius3, skaicius4);

        Console.WriteLine((skaicius1+skaicius2+skaicius3+skaicius4)/4);

    }

}