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#include <bits/stdc++.h>
using namespace std;

int main(){
    int n, m;
    cin >> n >> m;
    char map[n][m];
    for (int i=0; i<n; i++){
        string input;
        cin >> input;
        for (int j=0; j<m; j++){
            map[i][j] = input[j];
        }
    }
    // for (int i=0; i<n; i++){
    //     for (int j=0; j<m; j++){
    //         cout << map[i][j] << " ";
    //     }
    //     cout << endl;
    // }

    int p; cin >> p;
    string input; cin >> input;
    for (int i=0; i<p; i++){
        if (input[i] == 'G') {
            for (int i=0; i<m; i++){
                int tmp = 0;
                for (int j=0; j<n; j++){
                    if (map[j][i] == 'B' || map[j][i] == 'C'){
                        if (map[tmp][i] != map[j][i]){
                            map[tmp][i] = map[j][i];
                            map[j][i] = '.';
                        }
                        tmp++;
                    }
                }
            }
        }
        else if (input[i] == 'D') {
            for (int i=0; i<m; i++){
                int tmp = n-1;
                for (int j=n-1; j>=0; j--){
                    if (map[j][i] == 'B' || map[j][i] == 'C'){
                        if (map[tmp][i] != map[j][i]){
                            map[tmp][i] = map[j][i];
                            map[j][i] = '.';
                        }
                        tmp--;
                    }
                }
            }
        }
        else if (input[i] == 'P') {
            for (int i=0; i<n; i++){
                int tmp = m-1;
                for (int j=m-1; j>=0; j--){
                    if (map[i][j] == 'B' || map[i][j] == 'C'){
                        if (map[i][tmp] != map[i][j]){
                            map[i][tmp] = map[i][j];
                            map[i][j] = '.';
                        }
                        tmp--;
                    }
                }
            }
        }
        else if (input[i] == 'L'){
            for (int i=0; i<n; i++){
                int tmp = 0;
                for (int j=0; j<m; j++){
                    if (map[i][j] == 'B' || map[i][j] == 'C'){
                        if (map[i][tmp] != map[i][j]){
                            map[i][tmp] = map[i][j];
                            map[i][j] = '.';
                        }
                        tmp++;
                    }
                }
            }
        }
    }
    for (int i=0; i<n; i++){
        for (int j=0; j<m; j++){
            cout << map[i][j];
        }
        cout << endl;
    }

    return 0;
}