using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Enter Value in Decimal: ");

            int value = Convert.ToInt32(Console.ReadLine());

            string dec = value.ToString();

            string bin = (Convert.ToString(value, 2));

            string octal = (Convert.ToString(value, 8));

            string hex = (Convert.ToString(value, 16));

            Console.Write("Decimal: " + dec + "\n" +

                          "Binary: " + bin + "\n" +

                          "Octal: " + octal + "\n" +

                          "Hexadecimal: " + hex);

    }

}