private static void MoveEvil(Evil evil, int[,] matrix)
 {
     while (evil.Row >= 0)
     {
         if (evil.Row < matrix.GetLength(0) && evil.Col >= 0 && evil.Col < matrix.GetLength(1))
         {
             matrix[evil.Row, evil.Col] = 0;
         }
         evil.UpdateCoordinates(evil.Row - 1, evil.Col - 1);
     }
 }
        private static void UpdateCoordinates(string command, Ivo ivo, Evil evil)
        {
            var ivoCoordinates = command
                                 .Split(' ', StringSplitOptions.RemoveEmptyEntries)
                                 .Select(int.Parse)
                                 .ToArray();

            ivo.UpdateCoordinates(ivoCoordinates[0], ivoCoordinates[1]);

            command = Console.ReadLine();

            var evilCoordinates = command
                                  .Split(' ', StringSplitOptions.RemoveEmptyEntries)
                                  .Select(int.Parse)
                                  .ToArray();

            evil.UpdateCoordinates(evilCoordinates[0], evilCoordinates[1]);
        }