using System;

public class Program

{

    public static void Main()

    {

        //long value1 = 2;

        int value1 = 3;

        DateTime value2 = DateTime.Now;

        int result = Compare(value1, value2);

        Console.WriteLine(result);

    }

    private static int Compare(object value1, object value2)

    {

        return ((IComparable)value1).CompareTo(value2);

    }

​

    private static int Compare(int value1, long value2)

    {

        return Compare(value2, value1) * -1;

    }

​

    private static int Compare(int value1, decimal value2)

    {

        return Compare(value2, value1) * -1;

    }

​

    private static int Compare(long value1, int value2)

    {

        return value1.CompareTo(value2);

    }

​

    private static int Compare(long value1, decimal value2)

    {

        return Compare(value2, value1) * -1;

    }

​

    private static int Compare(decimal value1, int value2)

    {

        return value1.CompareTo(value2);

    }

​

    private static int Compare(decimal value1, long value2)

    {

        return value1.CompareTo(value2);

    }

}

​