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

namespace ChessValidator
{
    class Program
    {
        static void Main(string[] args)
        {
            string[][] board = new string[8][];
            for (int row = 0; row < 8; row++)
            {
                var input = Console.ReadLine().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                board[row] = input;
            }

            var command = Console.ReadLine();
            while (command.ToLower() != "end")
            {
                StringBuilder inputCommand = new StringBuilder(command);
                var piece = inputCommand[0].ToString();
                var positions = command.Split(new char[] { '-' });

                var firstPositionRow = int.Parse(positions[0][1].ToString()); //2
                var firstPositionCol = int.Parse(positions[0][2].ToString()); //1

                var secondPositionRow = int.Parse(positions[1][0].ToString()); //2
                var secondPositionCol = int.Parse(positions[1][1].ToString()); //2

                if (board[firstPositionRow][firstPositionCol] == "x" || board[firstPositionRow][firstPositionCol] != piece)
                {
                    Console.WriteLine("There is no such a piece!");
                }
                else if (board[firstPositionRow][firstPositionCol] == piece)
                {
                    if (piece == "R")
                    {
                        if (firstPositionRow == secondPositionRow && firstPositionCol > secondPositionCol ||
                            firstPositionRow == secondPositionRow && firstPositionCol < secondPositionCol ||
                            firstPositionRow > secondPositionRow && firstPositionCol == secondPositionCol ||
                            firstPositionRow < secondPositionRow && firstPositionCol == secondPositionCol)
                        {
                            if (!isOutOfBoard(secondPositionRow, secondPositionCol))
                            {
                                board[firstPositionRow][firstPositionCol] = "x";
                                board[secondPositionRow][secondPositionCol] = piece;
                            }
                            else
                            {
                                Console.WriteLine("Move go out of board!");
                            }
                        }
                        else
                        {
                            Console.WriteLine("Invalid move!");
                        }
                    }
                    else if (piece == "K")
                    {
                        if (firstPositionRow == secondPositionRow && firstPositionCol + 1 == secondPositionCol ||
                            firstPositionRow == secondPositionRow && firstPositionCol - 1 == secondPositionCol ||
                            firstPositionRow + 1 == secondPositionRow && firstPositionCol == secondPositionCol ||
                            firstPositionRow - 1 == secondPositionRow && firstPositionCol == secondPositionCol ||
                            firstPositionRow - 1 == secondPositionRow && firstPositionCol - 1 == secondPositionCol ||
                            firstPositionRow - 1 == secondPositionRow && firstPositionCol + 1 == secondPositionCol ||
                            firstPositionRow + 1 == secondPositionRow && firstPositionCol - 1 == secondPositionCol ||
                            firstPositionRow + 1 == secondPositionRow && firstPositionCol + 1 == secondPositionCol)
                        {
                            if (!isOutOfBoard(secondPositionRow, secondPositionCol))
                            {
                                board[firstPositionRow][firstPositionCol] = "x";
                                board[secondPositionRow][secondPositionCol] = piece;
                            }
                            else
                            {
                                Console.WriteLine("Move go out of board!");
                            }
                        }
                        else
                        {
                            Console.WriteLine("Invalid move!");
                        }
                    }
                    else if (piece == "P")
                    {
                        if (firstPositionRow - 1 == secondPositionRow && firstPositionCol == secondPositionCol)
                        {
                            if (!isOutOfBoard(secondPositionRow, secondPositionCol))
                            {
                                board[firstPositionRow][firstPositionCol] = "x";
                                board[secondPositionRow][secondPositionCol] = piece;
                            }
                            else
                            {
                                Console.WriteLine("Move go out of board!");
                            }
                        }
                        else
                        {
                            Console.WriteLine("Invalid move!");
                        }
                    }
                    else if (piece == "B")
                    {
                        if (Math.Abs(firstPositionRow - secondPositionRow) == Math.Abs(firstPositionCol - secondPositionCol))
                        {
                            if (!isOutOfBoard(secondPositionRow, secondPositionCol))
                            {
                                board[firstPositionRow][firstPositionCol] = "x";
                                board[secondPositionRow][secondPositionCol] = piece;
                            }
                            else
                            {
                                Console.WriteLine("Move go out of board!");
                            }
                        }
                        else
                        {
                            Console.WriteLine("Invalid move!");
                        }
                    }
                    else if (piece == "Q")
                    {
                        if (Math.Abs(firstPositionRow - secondPositionRow) == Math.Abs(firstPositionCol - secondPositionCol) ||
                            firstPositionRow == secondPositionRow && firstPositionCol > secondPositionCol ||
                            firstPositionRow == secondPositionRow && firstPositionCol < secondPositionCol ||
                            firstPositionRow > secondPositionRow && firstPositionCol == secondPositionCol ||
                            firstPositionRow < secondPositionRow && firstPositionCol == secondPositionCol)
                        {
                            if (!isOutOfBoard(secondPositionRow, secondPositionCol))
                            {
                                board[firstPositionRow][firstPositionCol] = "x";
                                board[secondPositionRow][secondPositionCol] = piece;
                            }
                            else
                            {
                                Console.WriteLine("Move go out of board!");
                            }
                        }
                        else
                        {
                            Console.WriteLine("Invalid move!");
                        }
                    }
                    else if(piece == "N")
                    {
                        var combinationX =
                        if(firstPositionRow - 2 == secondPositionRow && firstPositionCol - 1 == secondPositionCol ||
                            firstPositionRow - 2 == secondPositionRow && firstPositionCol + 1 == secondPositionCol ||
                            firstPositionRow - 1 == secondPositionRow && firstPositionCol - 2 == secondPositionCol ||
                            firstPositionRow - 1 == secondPositionRow && firstPositionCol + 2 == secondPositionCol ||
                            firstPositionRow + 2 == secondPositionRow && firstPositionCol - 1 == secondPositionCol ||
                            firstPositionRow + 2 == secondPositionRow && firstPositionCol + 1 == secondPositionCol ||
                            firstPositionRow + 1 == secondPositionRow && firstPositionCol - 2 == secondPositionCol ||
                            firstPositionRow + 1 == secondPositionRow && firstPositionCol + 2 == secondPositionCol)
                        {
                            if(!isOutOfBoard(secondPositionRow, secondPositionCol))
                            {
                                board[firstPositionRow][firstPositionCol] = "x";
                                board[secondPositionRow][secondPositionCol] = piece;
                            }
                            else
                            {
                                Console.WriteLine("Move go out of board!");
                            }
                        }
                        else
                        {
                            Console.WriteLine("Invalid move!");
                        }
                    }
                }
                command = Console.ReadLine();
            }

        }
        private static bool isOutOfBoard(int secondPositionRow, int secondPositionCol)
        {
            if (secondPositionRow > 7 || secondPositionCol > 7 || secondPositionRow < 0 || secondPositionCol < 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}