ShootForTheWin

using System;
using System.Linq;

namespace ShootForTheWin
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            int[] shootTarget = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int countTarget = 0;
            string command = string.Empty;

            while ((command = Console.ReadLine()) != "End")
            {
                int index = int.Parse(command);
                if (index >= 0 && index <= shootTarget.Length - 1)
                {
                    if (shootTarget[index] != -1)
                    {
                        int currentTarget = shootTarget[index];
                        shootTarget[index] = -1;
                        countTarget++;
                        for (int i = 0; i <= shootTarget.Length - 1; i++)
                        {
                            if (shootTarget[i] <= currentTarget && shootTarget[i] != -1)
                            {
                                shootTarget[i] = shootTarget[i] + currentTarget;
                            }

                            else if (shootTarget[i] > currentTarget && shootTarget[i] != -1)
                            {
                                shootTarget[i] = shootTarget[i] - currentTarget;
                            }
                        }
                    }
                }

            }

            Console.Write($"Shot targets: {countTarget} -> ");
            Console.WriteLine(string.Join(" ", shootTarget));
        }
    }
}