using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the sides of a quadilateral ");

        int side = Int32.Parse(Console.ReadLine());

        bool r1 = length * breadth;

        bool r2 = 2 * (length + Breadth);

        Console.WriteLine("Result: " + r1 "); Console.WriteLine("Result: " + r2 ");if (r1)

        {

            Console.WriteLine("area and perimeter of square ");

        }

        else

        {

            Console.WriteLine("area and perimeter of rectangle");

        }

    }

}