using System;

​

public class Program

{

    public static void Main()

    {

        double num, resolt, bottem, top;

        Console.WriteLine("enter number");

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

        bottem = 0;

        top = num;

        resolt = (top + bottem) / 2;

        int count = 0;

        while (Math.Abs(resolt * resolt - num) > 0.1)

        {

            count++;

            if (resolt * resolt > num)

                top = resolt;

            else

                bottem = resolt;

            resolt = (top + bottem) / 2;

        }

​

        Console.WriteLine(resolt);

        Console.WriteLine(count);

    }

}