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#include <vector>
#include <iostream>
#include <sstream>
#include <math.h>
#include <sys/time.h>
#include <cstdlib>
#include <algorithm>
#include <cassert>
#include <cstring>
#include <fstream>
#include <set>
#include <map>
#include <iomanip>
#include <queue>

#define FOR(i,a,b)  for(__typeof(b) i=(a);i<(b);++i)
#define REP(i,a)    FOR(i,0,a)
#define FOREACH(x,c)   for(__typeof(c.begin()) x=c.begin();x != c.end(); x++)
#define ALL(c)      c.begin(),c.end()
#define CLEAR(c)    memset(c,0,sizeof(c))
#define SIZE(c) (int) ((c).size())

#define PB          push_back
#define MP          make_pair
#define X           first
#define Y           second

#define ULL         unsigned long long
#define LL          long long
#define LD          long double
#define II         pair<int, int>
#define DD         pair<double, double>
#define FF          pair<float,float>

#define VC	    vector
#define VI          VC<int>
#define VVI         VC<VI>
#define VVVI        VC<VVI>
#define VD          VC<double>
#define VS          VC<string>
#define VII         VC<II>
#define VDD         VC<DD>
#define VFF         VC<FF>
#define VVD         VC<VD>
#define VVVD        VC<VVD>
#define VULL         VC<ULL>

#define DB(a)       cerr << #a << ": " << a << endl;

using namespace std;

template<class T> void print(VC < T > v) {cerr << "[";if (SIZE(v) != 0) cerr << v[0]; FOR(i, 1, SIZE(v)) cerr << "," << v[i]; cerr << "]\n";}
template<class T> string i2s(T &x) { ostringstream o; o << x; return o.str(); }
VS split(string &s, char c = ' ') {VS all; int p = 0, np; while (np = s.find(c, p), np >= 0) {all.PB(s.substr(p, np - p)); p = np + 1;} if (p < SIZE(s)) all.PB(s.substr(p)); return all;}

int N,M,K;

VVI board;

string moves;

void readBoard(){
    cin >> N >> M;
    board = VVI(N,VI(M,-1));
    string s;
    REP(i,N){
        cin >> s;
        REP(j,M)
            if (s[j] == '.')
                board[i][j] = -1;
            else if (s[j] == 'B')
                board[i][j] = 0;
            else
                board[i][j] = 1;
    }
}

void printBoard(){
    char tr[3] = {'.','B','C'};
    REP(i,N){
        REP(j,M) 
            cout << tr[board[i][j]+1];
        cout << endl;
    }
}

void makeMove(char m){
    if (m == 'G'){
        REP(j,M){
            int p = 0;
            REP(i,N) if (board[i][j] != -1){
                board[p++][j] = board[i][j];
            }
            while (p < N) board[p++][j] = -1;
        }
    }
    if (m == 'L'){
        REP(i,N){
            int p = 0;
            REP(j,M) if (board[i][j] != -1){
                board[i][p++] = board[i][j];
            }
            while (p < M) board[i][p++] = -1;
        }
    }
    if (m == 'D'){
        REP(j,M){
            int p = N-1;
            for(int i=N-1;i>=0;i--) if (board[i][j] != -1){
                board[p--][j] = board[i][j];
            }
            while (p >= 0) board[p--][j] = -1;
        }
    }
    if (m == 'P'){
        REP(i,N){
            int p = M-1;
            for(int j=M-1;j>=0;j--) if (board[i][j] != -1){
                board[i][p--] = board[i][j];
            }
            while (p >= 0) board[i][p--] = -1;
        }
    }
}

void repeatMoves(string c, int K){
    VI memory;
    REP(i,N) REP(j,M) if (board[i][j] != -1){
        memory.PB(board[i][j]);
        board[i][j] = SIZE(memory)-1;
    }
    REP(i,4)
        makeMove(c[i]);
    VI p(SIZE(memory));
    int k=0;
    REP(i,N) REP(j,M) if (board[i][j] != -1){
        p[k] = board[i][j];
        k++;
    }
    int ITER = K;
    VI used(SIZE(memory),0);
    REP(i,SIZE(memory)) if (!used[i]){
        VI cyc;
        int j=i;
        while (!used[j]){
            cyc.PB(j);
            used[j] = 1;
            j = p[j];
        }
        int L = SIZE(cyc);
        REP(j,L){
            p[cyc[j]] = cyc[(j+ITER)%L]; 
        }
    }
    k = 0;
    REP(i,N) REP(j,M) if (board[i][j] != -1){
        board[i][j] = memory[p[k]];
        k++;
    }
}

string reduce(string moves){
    char d2m[4] = {'G','P','D','L'};
    map<char,int> m2d;
    REP(i,4) m2d[d2m[i]] = i;
    int p = 0;
    REP(i,SIZE(moves)){
        moves[p] = moves[i];
        if (p > 0 && moves[p-1] == moves[p])
            continue;
        if (p > 0 && m2d[moves[p-1]]%2 == m2d[moves[p]]%2){
            p--;
            i--;
            continue;
        }
        if (p > 1 && moves[p-2] == moves[p])
            continue;
        p++;
    }
    moves.resize(p);
    return moves;
}

int main(int argc, char *argv[]){
    readBoard();
    cin >> K;
    cin >> moves;
    //cout << moves << endl;
    moves = reduce(moves);
    //cout << moves << endl;
    if (SIZE(moves) < 20){
        for(auto m : moves)
            makeMove(m);
    } else{
        int prefix = (SIZE(moves)-2)%4 + 2;
        REP(i,prefix)
            makeMove(moves[i]);
        string c("....");
        REP(i,4)
            c[i] = moves[prefix+i];
        repeatMoves(c,(SIZE(moves)-prefix)/4);
    }
    printBoard();
    return 0;
}