Ballistics Training

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

namespace _10.BallisticsTraining
{
    class Program
    {
        static void Main(string[] args)
        {
            double[] target = Console.ReadLine().Split().Select(double.Parse).ToArray();
            string[] input = Console.ReadLine().Split();

            double xCoordinate = 0;
            double yCoordinate = 0;

            for (int i = 0; i < input.Length; i += 2)
            {
                string command = input[i];
                double manipulatorIndex = double.Parse(input[i + 1]);

                if (command.Equals("up"))
                {
                    yCoordinate += manipulatorIndex;
                }
                else if (command.Equals("down"))
                {
                    yCoordinate -= manipulatorIndex;
                }
                else if (command.Equals("left"))
                {
                    xCoordinate -= manipulatorIndex;
                }
                else
                {
                    xCoordinate += manipulatorIndex;
                }

            }

            Console.WriteLine($"firing at [{xCoordinate}, {yCoordinate}]");

            if (xCoordinate.Equals(target[0]) && yCoordinate.Equals(target[1]))
            {
                Console.WriteLine("got 'em!");
            }

            else
            {
                Console.WriteLine("better luck next time...");
            }
        }
    }
}