#include <iostream>
#include <vector>
#include <string>
using namespace std;

vector<vector<char>> solve_puzzle(int n, int m, vector<string> initial_state, int k, string moves) {
    vector<vector<char>> puzzle(n, vector<char>(m));

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            puzzle[i][j] = initial_state[i][j];
        }
    }
    pair<int, int> b_pos;
    pair<int, int> c_pos;
    int move = 0;


  for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
          if (puzzle[i][j] == 'B') {
              b_pos = { i, j };
          }
          else if (puzzle[i][j] == 'C') {
              c_pos = { i, j };
          }
          
      }
}    
  for (char move : moves) {
            if (move == 'G') {
                b_pos.first != 0 ?  b_pos.first-- : b_pos.first;
                c_pos.first != 0 ?  c_pos.first-- : c_pos.first;
            }
            else if (move == 'D') {
                b_pos.first != puzzle.size() - 1 ?  b_pos.first++ : b_pos.first;
                c_pos.first != puzzle.size() - 1 ?  c_pos.first++  : c_pos.first;
            }
            else if (move == 'L') {
                b_pos.second != puzzle[0].size() - 1 ?  b_pos.second-- : b_pos.second;
                c_pos.second != puzzle[0].size() - 1 ?  c_pos.second-- : c_pos.second;
            }
            else if (move == 'P') {
                b_pos.second != puzzle[0].size() - 1 ?  b_pos.second++ : b_pos.second;
                c_pos.second != puzzle[0].size() - 1 ? c_pos.second++ : c_pos.second;
            }
           }

  puzzle[b_pos.first][b_pos.second] = 'B';
  puzzle[c_pos.first][c_pos.second] = 'C';

    return puzzle;
}

int main() {
    int n, m;
    cin >> n >> m;

    vector<string> initial_state(n);
    for (int i = 0; i < n; i++) {
        cin>>initial_state[i];
    }
    int k;
    cin >> k;
    string moves;
    cin >> moves;

    auto final_state = solve_puzzle(n, m, initial_state, k, moves);

    for (const auto& row : final_state) {
        for (char c : row) {
            cout << c;
        }
        cout << endl;
    }

    return 0;
}