moving target

using System;
using System.Linq;
using System.Collections.Generic;
using System.Numerics;
using System.Threading;

namespace exampreparation
{
    class exam
    {
        static void Main(string[] args)
        {
            List<int> targets = Console.ReadLine().Split().Select(int.Parse).ToList();

            string[] command = Console.ReadLine().Split().ToArray();

            while (command[0] != "End")
            {
                if (command[0] == "Shoot")
                {
                    int index = int.Parse(command[1]);

                    if (index >= 0 && index < targets.Count)
                    {
                        int power = int.Parse(command[2]);

                        targets[index] -= power;

                        if (targets[index] <= 0)
                        {
                            targets.RemoveAt(index);
                        }
                    }
                }
                if (command[0] == "Add")
                {
                    int index = int.Parse(command[1]);

                    if (index >= 0 && index < targets.Count)
                    {
                        int value = int.Parse(command[2]);
                        targets.Insert(index, value);
                    }
                    else
                    {
                        Console.WriteLine("Invalid placement!");
                    }
                }
                if (command[0] == "Strike")
                {
                    int index = int.Parse(command[1]);

                    if (index >= 0 && index < targets.Count - 1)
                    {
                        int range = int.Parse(command[2]);
                        if (index - range >= 0 && index + range < targets.Count)
                        {
                            targets.RemoveRange(index - range, range * 2 + 1);
                        }
                        else
                        {
                            Console.WriteLine("Strike missed!");
                        }
                    }

                }

                command = Console.ReadLine().Split().ToArray();

            }

            Console.WriteLine(string.Join("|", targets));

        }

    }
}