using System;

public class Program

{

    public static void Main()

    {

        int x1 = 0;

        int x2 = 8;

        int y2 = 8;

        int y1 = -6;

        int Step1 = x1 - x2;

        Console.WriteLine(x1 + " - " + x2 + " + " + y1 + " - " + y2);

        int Step2 = y1 - y2;

        int Step3 = Step1 * Step1;

        int Step4 = Step2 * Step2;

        Console.WriteLine(Step3 + "+" + Step4);

        int Final = Step3 + Step4;

        Console.WriteLine(Final);

        Console.WriteLine(Math.Sqrt(Final));

    }

}