using System;

public class Program

{

    public static void Main()

    {

        double N1, N2, N3, Prom;

        Console.WriteLine("Captura el primer valor: ");

        N1 = double.Parse(Console.ReadLine());

        Console.WriteLine("Captura el segundo valor: ");

        N2 = double.Parse(Console.ReadLine());

        Console.WriteLine("Captura el tercer valor: ");

        N3 = double.Parse(Console.ReadLine());

        Prom = (N1+N2+N3)/3; 

        Console.WriteLine("El promedio final es: " + Prom.ToString("c2"));

    }

}