using System;
using System.Linq;
using System.Collections.Generic;

namespace _10_Radio_Active_Mutant_Vampire_Bunnies
{
    class Program
    {
        static char[,] matrix;
        static void Main(string[] args)
        {
            var input = Console.ReadLine()
                .Split(" ", StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToArray();

            matrix = new char[input[0], input[1]];

            (int rowCheck, int colCheck) = MatrixLoading();

            string moves = Console.ReadLine();

            bool IsSuccessMove = false;
            bool IsLive = false;
            bool playerDead = false;

            for (int i = 0; i < moves.Length; i++)
            {
                if (moves[i] == 'R')
                {
                    if (IsValid(rowCheck, colCheck + 1) == true)
                    {
                        if (matrix[rowCheck, colCheck + 1] == '.')
                        {
                            matrix[rowCheck, colCheck] = '.';
                            IsSuccessMove = true;
                        }
                        else if (matrix[rowCheck, colCheck + 1] == 'B')
                        {
                            playerDead = true;
                        }
                        colCheck = colCheck + 1;
                    }
                    else
                    {
                        matrix[rowCheck, colCheck] = '.';
                        BonneyMoves();
                        MatrixPrint();
                        Console.WriteLine($"won: {rowCheck} {colCheck}");
                        return;
                    }
                }
                else if (moves[i] == 'L')
                {
                    if (IsValid(rowCheck, colCheck - 1) == true)
                    {
                        if (matrix[rowCheck, colCheck - 1] == '.')
                        {
                            matrix[rowCheck, colCheck] = '.';
                            IsSuccessMove = true;
                        }

                        else if (matrix[rowCheck, colCheck - 1] == 'B')
                        {
                            playerDead = true;
                        }
                        colCheck = colCheck - 1;
                    }
                    else
                    {
                        matrix[rowCheck, colCheck] = '.'; matrix[rowCheck, colCheck] = '.';
                        BonneyMoves();
                        MatrixPrint();
                        Console.WriteLine($"won: {rowCheck} {colCheck}");
                        return;
                    }
                }
                else if (moves[i] == 'U')
                {
                    if (IsValid(rowCheck - 1, colCheck) == true)
                    {
                        if (matrix[rowCheck - 1, colCheck] == '.')
                        {
                            matrix[rowCheck, colCheck] = '.';
                            IsSuccessMove = true;
                        }
                        else if (matrix[rowCheck - 1, colCheck] == 'B')
                        {
                            playerDead = true;
                        }
                        rowCheck = rowCheck - 1;
                    }
                    else
                    {
                        matrix[rowCheck, colCheck] = '.';
                        BonneyMoves();
                        MatrixPrint();
                        Console.WriteLine($"won: {rowCheck} {colCheck}");
                        return;
                    }
                }
                else if (moves[i] == 'D')
                {
                    if (IsValid(rowCheck + 1, colCheck) == true)
                    {
                        if (matrix[rowCheck + 1, colCheck] == '.')
                        {
                            matrix[rowCheck, colCheck] = '.';
                            IsSuccessMove = true;
                        }
                        else if (matrix[rowCheck + 1, colCheck] == 'B')
                        {
                            playerDead = true;
                        }
                        rowCheck = rowCheck + 1;
                    }
                    else
                    {
                        matrix[rowCheck, colCheck] = '.';
                        BonneyMoves();
                        MatrixPrint();
                        Console.WriteLine($"won: {rowCheck} {colCheck}");
                        return;
                    }
                }

                if (playerDead)
                {
                    BonneyMoves();
                    MatrixPrint();
                    Console.WriteLine($"dead: {rowCheck} {colCheck}");
                    return;
                }

               else if (IsSuccessMove)
                {
                    matrix[rowCheck, colCheck] = 'P';
                    BonneyMoves();

                    foreach (var items in matrix)
                    {
                        if (items == 'P')
                        {
                            IsLive = true;
                        }

                    }

                    if (IsLive == false)
                    {
                        MatrixPrint();
                        Console.WriteLine($"dead: {rowCheck} {colCheck}");
                        return;
                    }
                }
                IsSuccessMove = false;
            }
        }

        private static (int, int) MatrixLoading()
        {
            int rowCheck = 0;
            int colCheck = 0;

            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                string items = Console.ReadLine();
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    matrix[row, col] = items[col];

                    if (matrix[row, col] == 'P')
                    {
                        rowCheck = row;
                        colCheck = col;
                    }
                }
            }

            return (rowCheck, colCheck);
        }
        private static bool IsValid(int rowCheck, int colCheck)
        {
            if ((rowCheck >= 0 && rowCheck < matrix.GetLength(0)) && (colCheck >= 0 && colCheck < matrix.GetLength(1)))
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        private static void MatrixPrint()
        {
            for (int row = 0; row < matrix.GetLength(0); row++)
            {

                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    Console.Write(matrix[row, col]);
                }
                Console.WriteLine();
            }
        }
        private static void BonneyMoves()
        {
            var indexBunnies = new Dictionary<int, List<int>>();
            int count = 0;

            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    if (matrix[row, col] == 'B')
                    {
                        indexBunnies.Add(count, new List<int>());
                        indexBunnies[count].Add(row);
                        indexBunnies[count].Add(col);
                        count++;
                    }
                }
            }

                for (int i =0;i<indexBunnies.Count;i++)
                {
                    int row = indexBunnies[i][0];
                    int col = indexBunnies[i][1];


                    if (IsValid(row - 1, col) == true && matrix[row - 1, col] != 'B')
                    {
                        matrix[row - 1, col] = 'B';
                    }
                    if (IsValid(row + 1, col) == true && matrix[row + 1, col] != 'B')
                    {
                        matrix[row + 1, col] = 'B';
                    }
                    if (IsValid(row, col - 1) == true && matrix[row, col - 1] != 'B')
                    {
                        matrix[row, col - 1] = 'B';
                    }
                    if (IsValid(row, col + 1) == true && matrix[row, col + 1] != 'B')
                    {
                        matrix[row, col + 1] = 'B';
                    }
                }
                indexBunnies.Clear();
            }
        }
    }