asd

using System;
using System.Linq;

namespace MultidimensionalArrays
{
    class Program
    {
        static void Main(string[] args)
        {
            int mSize = int.Parse(Console.ReadLine());
            int commandsCount = int.Parse(Console.ReadLine());

            char[,] matrix = new char[mSize, mSize];
            int playerRow = 0;
            int playerCol = 0;

            bool isWinner = false;
            MatrixInitialize(mSize, matrix, ref playerRow, ref playerCol);

            while (commandsCount >= 0)
            {
                commandsCount--;
                string command = Console.ReadLine();

                if (command == "up")
                {
                    if (playerRow - 1 >= 0 && matrix[playerRow - 1, playerCol] == 'F')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerRow--;
                        matrix[playerRow, playerCol] = 'f';
                        isWinner = true;
                        break;
                    }
                    else if (playerRow - 1 >= 0 && matrix[playerRow - 1, playerCol] == '-')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerRow--;
                        matrix[playerRow, playerCol] = 'f';
                    }
                    else if (playerRow - 1 >= 0 && matrix[playerRow + 1, playerCol] == 'B')
                    {
                        if (playerRow - 2 >= 0 )
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow--;
                            playerRow--;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = mSize - 1;
                            matrix[playerRow, playerCol] = 'f';
                        }
                    }
                    else if(playerRow - 1 < 0)
                    {
                        if (matrix[mSize-1, playerCol] == 'F')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = mSize - 1;
                            matrix[playerRow, playerCol] = 'f';
                            isWinner = true;
                            break;
                        }
                        else if (matrix[mSize - 1, playerCol] == '-')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = mSize - 1;
                            matrix[playerRow, playerCol] = 'f';
                        }

                    }
                }
                else if (command == "down")
                {
                    if (playerRow + 1 < mSize && matrix[playerRow + 1, playerCol] == 'F')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerRow++;
                        matrix[playerRow, playerCol] = 'f';
                        isWinner = true;
                        break;
                    }
                    else if (playerRow + 1 < mSize && matrix[playerRow + 1, playerCol] == '-')
                    {;
                        matrix[playerRow, playerCol] = '-';
                        playerRow++;
                        matrix[playerRow, playerCol] = 'f';
                    }
                    else if (playerRow + 1 < mSize && matrix[playerRow + 1,playerCol] == 'B')
                    {
                        if (playerRow + 2 < mSize)
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow++;
                            playerRow++;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = 0;
                            matrix[playerRow, playerCol] = 'f';
                        }
                    }
                    else if (playerRow + 1 == mSize)
                    {
                        if (matrix[0, playerCol] == 'F')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = 0;
                            matrix[playerRow, playerCol] = 'f';
                            isWinner = true;
                            break;
                        }
                        else if (matrix[0, playerCol] == '-')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = 0;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else if (matrix[0, playerCol] == 'B')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = 1;
                            matrix[playerRow, playerCol] = 'f';
                        }

                    }
                }
                else if (command == "left")
                {
                    if (playerCol - 1 >= 0 && matrix[playerRow, playerCol - 1] == 'F')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerCol--;
                        matrix[playerRow, playerCol] = 'f';
                        isWinner = true;
                        break;
                    }
                    else if (playerCol - 1 >= 0 && matrix[playerRow,playerCol - 1] == '-')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerCol--;
                        matrix[playerRow, playerCol] = 'f';
                    }
                    else if (playerCol - 1 >= 0 && matrix[playerRow,playerCol - 1] == 'B')
                    {
                        if (playerCol - 2 >= 0)
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol--;
                            playerCol--;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol = mSize - 1;
                            matrix[playerRow, playerCol] = 'f';
                        }
                    }
                    else if (playerCol - 1 < 0)
                    {
                        if (matrix[playerRow , mSize - 1] == 'F')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol = mSize - 1;
                            matrix[playerRow, playerRow] = 'f';
                            isWinner = true;
                            break;
                        }
                        else if (matrix[playerRow, mSize - 1] == '-')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = mSize - 1;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else if (matrix[playerRow, mSize - 1] == 'B')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerRow = mSize - 2;
                            matrix[playerRow, playerCol] = 'f';
                        }

                    }

                }
                else if (command == "right")
                {
                    if (playerCol + 1 < mSize && matrix[playerRow, playerCol + 1] == 'F')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerCol++;
                        matrix[playerRow, playerCol] = 'f';
                        isWinner = true;
                        break;
                    }
                    else if (playerCol + 1 < mSize && matrix[playerRow,playerCol + 1] == '-')
                    {
                        matrix[playerRow, playerCol] = '-';
                        playerCol++;
                        matrix[playerRow, playerCol] = 'f';
                    }
                    else if (playerCol + 1 < mSize && matrix[playerRow,playerCol + 1] == 'B')
                    {
                        if (playerCol + 2 < mSize)
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol++;
                            playerCol++;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol = 0;
                            matrix[playerRow, playerCol] = 'f';
                        }
                    }
                    else if (playerCol + 1 == mSize)
                    {
                        if (matrix[playerRow, 0] == 'F')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol = 0;
                            matrix[playerRow, playerCol] = 'f';
                            isWinner = true;
                            break;
                        }
                        else if (matrix[playerRow, 0] == '-')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol = 0;
                            matrix[playerRow, playerCol] = 'f';
                        }
                        else if (matrix[playerRow, 0] == 'B')
                        {
                            matrix[playerRow, playerCol] = '-';
                            playerCol = 1;
                            matrix[playerRow, playerCol] = 'f';
                        }

                    }

                }

            } // while
            if (isWinner)
            {
                Console.WriteLine("Player won!");
            }
            else
            {
                Console.WriteLine("Player lost!");
            }
            for (int row = 0; row < mSize; row++)
            {
                for (int col = 0; col < mSize; col++)
                {
                    Console.Write(matrix[row,col]);
                }
                Console.WriteLine();
            }
        }

        private static void MatrixInitialize(int mSize, char[,] matrix, ref int playerRow, ref int playerCol)
        {
            for (int rows = 0; rows < mSize; rows++)
            {
                var consoleInput = Console.ReadLine().ToCharArray();
                for (int cols = 0; cols < mSize; cols++)
                {
                    if (consoleInput[cols] != '-')
                    {
                        if (consoleInput[cols] == 'f')
                        {
                            playerRow = rows;
                            playerCol = cols;
                        }
                    }
                    matrix[rows, cols] = consoleInput[cols];
                }
            }
        }
    }
}