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#include <bits/stdc++.h>
#define iamspeed ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define st first
#define nd second
using namespace std;

int n, m, q, typ[500005], optyp[500005];
pair<int, pair<int, int>> t[505][505];
vector<pair<int, int>> VV;
vector<pair<pair<int, int>, int> > zmn;
string s, op;
char popGD, popLP;
pair<int, int> mp[25][503][503];


void symulacja(int ch){
	vector<pair<int, pair<int, int> > > V;
	if(!V.empty()) V.clear();
	if(ch == 'D'){
		for(int j = 1 ; j <= m ; j++){
			for(int i = 1 ; i <= n ; i++){
				if(t[i][j].st) V.push_back(t[i][j]);
			}
			for(int i = n ; i > 0 ; i--){
				if(!V.empty()){
					t[i][j] = V.back();
					V.pop_back();
				} 
				else{
					t[i][j] = {0, {0, 0}};
				}
			}
		}
	}
	if(ch == 'G'){
		for(int j = 1 ; j <= m ; j++){
			for(int i = n ; i > 0 ; i--){
				if(t[i][j].st) V.push_back(t[i][j]);
			}
			for(int i = 1 ; i <= n ; i++){
				if(!V.empty()){
					t[i][j] = V.back();
					V.pop_back();
				} 
				else{
					t[i][j] = {0, {0, 0}};
				}
			}
		}
	}
	if(ch == 'P'){
		for(int i = 1 ; i <= n ; i++){
			for(int j = 1 ; j <= m ; j++){
				if(t[i][j].st) V.push_back(t[i][j]);
			}
			for(int j = m ; j > 0 ; j--){
				if(!V.empty()){
					t[i][j] = V.back();
					V.pop_back();
				} 
				else{
					t[i][j] = {0, {0, 0}};
				}
			}
		}
	}
	if(ch == 'L'){
		for(int i = 1 ; i <= n ; i++){
			for(int j = m ; j > 0 ; j--){
				if(t[i][j].st) V.push_back(t[i][j]);
			}
			for(int j = 1 ; j <= m ; j++){
				if(!V.empty()){
					t[i][j] = V.back();
					V.pop_back();
				} 
				else{
					t[i][j] = {0, {0, 0}};
				}
			}
		}
	}
}
int main(){
	iamspeed;
	cin >> n >> m;
	for(int i = 1 ; i <= n ; i++){
		cin >> s;
		for(int j = 1 ; j <= m ; j++){
			if(s[j - 1] == '.') t[i][j] = {0, {0, 0}};
			else if(s[j - 1] == 'B') t[i][j] = {1, {0, 0}};
			else t[i][j] = {2, {0, 0}};
		}
	}
	cin >> q >> s;
	s += 'X';
	for(int i = 0 ; i < q ; i++){
		if(s[i] == 'D' || s[i] == 'G') typ[i] = 1;
		else typ[i] = 2;
	}
	op += s[0];
	optyp[0] = typ[0]; 
	for(int i = 1 ; i < q ; i++){
		int x = op.size();
		if(optyp[x - 1] == typ[i] && op[x - 1] != s[i]){
			op.pop_back();
			if(x <= 2 || op[x - 3] != s[i])
				op += s[i];
		}
		else if(optyp[x - 1] != typ[i]){
			if(x == 1 || op[x - 2] != s[i]){
				op += s[i];
				optyp[x] = typ[i];
			}
		}
	}
	int k = 0;
	while(k < min((int)op.size(), 2)){
		symulacja(op[k++]);
	}
	for(int i = 1 ; i <= n ; i++){
		for(int j = 1 ; j <= m ; j++){
			t[i][j].nd = {i, j}; 
		}
	}
	while(k < min((int)op.size(), 6)){
		symulacja(op[k++]);
	}
	for(int i = 1 ; i <= n ; i++){
		for(int j = 1 ; j <= m ; j++){
			if(t[i][j].st){
				VV.push_back({i,j});
				mp[0][i][j] = t[i][j].nd;
			}
		}
	}
	int maxl = 0;
	for(int l = 1 ; pow(2, l) <= ((int)op.size() - 6) / 4 ; l++){
		maxl = l;
		for(int i = 0 ; i < VV.size() ; i++){
			mp[l][VV[i].st][VV[i].nd] = mp[l - 1][mp[l - 1][VV[i].st][VV[i].nd].st][mp[l - 1][VV[i].st][VV[i].nd].nd];
		}
	}
	int ile_skokow = ((int)op.size() - 6) / 4;
	while(ile_skokow > 0 && maxl >= 0){
		if(pow(2, maxl) <= ile_skokow){
			ile_skokow -= pow(2, maxl);
			if(!zmn.empty()) zmn.clear();
			for(int i = 0 ; i < VV.size() ; i++){
				zmn.push_back({VV[i], t[mp[maxl][VV[i].st][VV[i].nd].st][mp[maxl][VV[i].st][VV[i].nd].nd].st});
			}
			while(!zmn.empty()){
				t[zmn.back().st.st][zmn.back().st.nd] = {zmn.back().nd, {0, 0}};
				zmn.pop_back();
			}
		}
		maxl--;
	}
	for(int i = 6 + ((int)(((int)op.size() - 6) / 4)) * 4 ; i < op.size() ; i++){
		symulacja(op[i]);
	}
	for(int i = 1 ; i <= n ; i++){
		for(int j = 1 ; j <= m ; j++){
			if(t[i][j].st == 0) cout << ".";
			else if(t[i][j].st == 1) cout << "B";
			else cout << "C";
		}
		cout << endl;
	}
}