using System;

public class Program

{

    public static void Main()

    {

        int? i = null;

        int j = 10;

        if (i < j)

            Console.WriteLine("i < j");

        else if( i > 10)

            Console.WriteLine("i > j");

        else if( i == 10)

            Console.WriteLine("i == j");

        else

            Console.WriteLine("Could not compare");

    }

}