measurements converter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace issue9
{
    class Program
    {
        static void Main(string[] args)
        {

            double distance=double.Parse(Console.ReadLine());
            string inputmeasure = Console.ReadLine();
            string outputmeasure = Console.ReadLine();
            double num1 = 0;
            double num2 = 0;

            switch (inputmeasure)
            {
                case "m":
                    num1=1.0;
                break;
                case "mm":
                    num1 = 1000;
                    break;
                case "cm":
                    num1 = 100;
                    break;
                case "mi":
                    num1 = 0.000621371192;
                    break;
                case "in":
                    num1 = 39.3700787;
                    break;
                case "km":
                    num1 = 0.001;
                    break;
                case "ft":
                    num1= 3.2808399;
                    break;
                case "yd":
                    num1= 1.0936133;
                    break;
                default:
                    Console.WriteLine("wrong input");
                    break;
            }

            switch (outputmeasure)
            {
                case "m":
                    num2 = 1;
                    break;
                case "mm":
                    num2 = 1000;
                    break;
                case "cm":
                    num2 = 100;
                    break;
                case "mi":
                    num2 = 0.000621371192;
                    break;
                case "in":
                    num2 = 39.3700787;
                    break;
                case "km":
                    num2 = 0.001;
                    break;
                case "ft":
                    num2= 3.2808399;
                    break;
                case "yd":
                    num2 = 1.0936133;
                    break;
                default:
                    Console.WriteLine("wrong input");
                    break;
            }


            Console.WriteLine("{0} {1}",Math.Abs((distance / num1) * num2),outputmeasure);





        }
    }
}