using System;

public class Program

{

    public static void Main()

    {

        int a = int.MinValue;

        try{

            checked{

                a--;

            }

        }

        catch(Exception e)

        {

        }

        Console.WriteLine (a == int.MaxValue); // True

        var d = Double.PositiveInfinity;

        var n = Double.NegativeInfinity;

        float nz = -0f;

        Console.WriteLine(d);

        Console.WriteLine(n);

        Console.WriteLine(nz == 0);

        Console.WriteLine(Single.Epsilon);

        Console.WriteLine(Single.Epsilon * 0.5f);

        Console.WriteLine(Single.Epsilon * 0.5f == 0);

        Console.WriteLine(Single.Epsilon * 0.50000000000f == 0);

        Console.WriteLine(Single.Epsilon * 1f  == 0);

        Console.WriteLine(0.9999999999999999999999d == 1.0d);

        // equal

        Console.WriteLine(1.0d - 0.9999999999999999999999d < Double.Epsilon);

        Console.WriteLine(1f/3);

        Console.WriteLine(1.0/3f);

        Console.WriteLine(1m/3m);

        Console.WriteLine(70000_0000_0000_0000_0000_0000_0000m);

    }

}