public static void Main()
Console.WriteLine("Enter the length of the room a=");
a=int.Parse(Console.ReadLine());
Console.WriteLine("Enter the width of the room b=");
b=int.Parse(Console.ReadLine());
Console.WriteLine( "The Square of the room is {0}",a*b);
Console.WriteLine( "The Perimiter of the room is {0}",(a+b)*2);