using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter three whole numbers?");

        long x = byte.Parse(Console.ReadLine());

        long y = byte.Parse(Console.ReadLine());

        long z = byte.Parse(Console.ReadLine());

        long sum = x+y+z;

        Console.WriteLine("The sum of " +x+ ", " +y+ ", and " +z+ " is " +sum+ ".");

    }

}