MetricConverter

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

namespace _8.MetricConverter
{
    class Program
    {
        static void Main(string[] args)
        {
            double distance = double.Parse(Console.ReadLine());
            string currentUnit = Console.ReadLine();
            string wantedUnit = Console.ReadLine();

            double convertedDistance = distance;

            if (currentUnit == "mm")
            {
                convertedDistance = distance / 1000.0;
            }
            else if (currentUnit == "cm")
            {
                convertedDistance = distance / 100.0;
            }
            else if (currentUnit == "mi")
            {
                convertedDistance = distance / 0.000621371192;
            }
            else if (currentUnit == "in")
            {
                convertedDistance = distance / 39.3700787;
            }
            else if (currentUnit == "km")
            {
                convertedDistance = distance / 0.001;
            }
            else if (currentUnit == "ft")
            {
                convertedDistance = distance / 3.2808399;
            }
            else if (currentUnit == "yd")
            {
                convertedDistance = distance / 1.0936133;
            }


            if (wantedUnit == "mm")
            {
                convertedDistance = convertedDistance * 1000.0;
            }
            else if (wantedUnit == "cm")
            {
                convertedDistance = convertedDistance * 100.0;
            }
            else if (wantedUnit == "mi")
            {
                convertedDistance = convertedDistance * 0.000621371192;
            }
            else if (wantedUnit == "in")
            {
                convertedDistance = convertedDistance * 39.3700787;
            }
            else if (wantedUnit == "km")
            {
                convertedDistance = convertedDistance * 0.001;
            }
            else if (wantedUnit == "ft")
            {
                convertedDistance = convertedDistance * 3.2808399;
            }
            else if (wantedUnit == "yd")
            {
                convertedDistance = convertedDistance * 1.0936133;
            }

            Console.WriteLine($"{convertedDistance} {wantedUnit}");


        }
    }
}