using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Enter a positive integer: ");

        int num = int.Parse(Console.ReadLine());

        string binary = Convert.ToString(num, 2);

        int twosComplement = ~num + 1;

        string binary2 = Convert.ToString(twosComplement, 2);

        Console.WriteLine($"Binary Representation: {binary}");

        Console.WriteLine($"Two's complement (negative): {binary2}");

        Console.WriteLine($"Decimal representation of negative: {twosComplement}");

    }

}