using System;

public class Program

{

    public static void Main()

    {

        double x = 0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1;

        double y = 1.0;

        Console.WriteLine(x);

        Console.WriteLine(y);

        Console.WriteLine(x == y);

        Console.WriteLine(x.ToString("R"));

        Console.WriteLine(y.ToString("R"));

    }

}