using System;

namespace MathShit
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            Console.WriteLine("Are you solving for height or time? (h/t)");

            if (Console.ReadLine() == "h")
            {
                float a, v, t, h_s;
                Console.WriteLine("acceleration of gravity?");
                a = Convert.ToSingle(Console.ReadLine());
                Console.WriteLine("velocity?");
                v = Convert.ToSingle(Console.ReadLine());
                Console.WriteLine("time?");
                t = Convert.ToSingle(Console.ReadLine());
                Console.WriteLine("Height?");
                h_s = Convert.ToSingle(Console.ReadLine());
                Console.WriteLine("The Height Is " + .5 * a * t * 2 * v * t + h_s + " In meters.");
            }
            else
            {
                float a, v, h_s;
                Console.WriteLine("acceleration of gravity?");
                a = Convert.ToSingle(Console.ReadLine());
                Console.WriteLine("velocity?");
                v = Convert.ToSingle(Console.ReadLine());
                Console.WriteLine("height?");
                h_s = Convert.ToSingle(Console.ReadLine());
                var t1 = v - Math.Sqrt(v * 2 * a * h_s) / (2 * a);
                var t2 = v + Math.Sqrt(v * 2 * a * h_s) / (2 * a);
                Console.WriteLine(string.Format("The Time Is: {0} And {1}", t1.ToString(), t2.ToString()));
            }
            Console.ReadLine();
        }
    }
}