using System;

public class Program

{

    public static void Main()

    {

        ///Laura Cristina Avalos Karlis 1-e

        Console.WriteLine("Enter the height of the building");

        var hb = Console.ReadLine();

        var nhb = int.Parse(hb);

        var db = nhb * .30;

        Console.WriteLine("The distance from the base of the building to the base of the staircase is: " + db);

        var ls = (nhb * nhb) + (db * db);

        var ls1 = Math.Sqrt(ls);

        Console.WriteLine("The length of a staircase necessary to climb the building is: " + ls1);

    }

}