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#include <iostream>
#include <vector>
#include <stack>
#include <bitset>

using namespace std;

constexpr int N = 507;
vector <char> seq;
char p1, p2;// p1 -> up/ down; p2 -> left/ right
stack <char> s;
string str;
pair <int, int> f1[N][N], f2[N][N], f3[N][N], w1[N * N], w2[N * N];
pair <pair <int, int>, pair <int, int>> lim[5];
int tab[N][N], T[N][N], d = 2;

inline void change_p(char x) {
	if(x == 'G' || x == 'D')
		p1 = x;
	if(x == 'L' || x == 'P')
		p2 = x;
}

inline int solve_beginning(int k) {
	int i = 0;
	while((!p1 || !p2) && i < k) {
		change_p(str[i]);
		i++;
	} if(!p1 || !p2)
		return -1;
	return i;
}

inline bool not_same(char x) {
	if(x == p1 || x == p2)
		return 0;
	return 1;
}

inline bool complementary(char a, char b) {
	if(a > b)
		swap(a, b);
	if(a == 'D' && b == 'G')
		return 1;
	if(a == 'L' && b == 'P')
		return 1;
	return 0;
}

inline bool not_symetric(char x) {//involves erasing some elements from the top
	if(s.empty())
		return 1;
	if(!complementary(s.top(), x))
		return 1;
	s.pop(); d--;
	if(d < 2)
        return 1;
	int a = s.top(); s.pop();
	if(s.top() == x) {
        change_p(s.top());
        s.push(a);
        return 0;
	}
	s.push(a);
	return 1;
}

inline bool change_seq(int k) {//edit beginning of the sequence
	cin >> str;
	int b = solve_beginning(k);
	if(b == -1) {
		seq.push_back(str.back());
		return 0;
	}
	s.push(str[b - 2]);
	s.push(str[b - 1]);
	for(int i = b; i < k; i++)
		if(not_same(str[i]) && not_symetric(str[i])) {
			s.push(str[i]);
			change_p(str[i]);
			d++;
		}
	seq.resize(d);
	//seq[0] = str[b - 1];
	//seq[1] = str[b];
	for(int i = seq.size() - 1; i >= 0; i--) {
		seq[i] = s.top();
		s.pop();
	}
	return 1;
}

inline void horizonal(int a1, int a2, int r1, int b1, int b2, int r2) {
    for(int j = a1; r1 * j <= r1 * a2; j += r1) {
		int p = b1;
		for(int i = b1; r2 * i <= r2 * b2; i += r2)
			if(tab[i][j] != '.') {
				while(tab[p][j] != '.' && p != i)
					p++;
				tab[p][j] = tab[i][j];
				if(p != i)
                    tab[i][j] = '.';
				p += r2;
			}
	}
}

inline void vertical(int a1, int a2, int r1, int b1, int b2, int r2) {
    for(int i = a1; r1 * i <= r1 * a2; i += r1) {
		int p = b1;
		for(int j = b1; r2 * j <= r2 * b2; j += r2)
			if(tab[i][j] != '.') {
				while(tab[i][p] != '.' && p != j)
					p++;
				tab[i][p] = tab[i][j];
				if(p != j)
                    tab[i][j] = '.';
				p += r2;
			}
	}
}

inline void make_a_move(int x) {
	int c;
	if(x == 'G')
		c = 0;
	if(x == 'D')
		c = 1;
	if(x == 'L')
		c = 2;
	if(x == 'P')
		c = 3;
	int a1 = lim[c].first.first, a2 = lim[c].first.second, b1 = lim[c].second.first, b2 = lim[c].second.second;
	int r1 = 1, r2 = 1;
	if(a1 > a2) r1 = -1;
	if(b1 > b2) r2 = -1;
	if(x == 'G' || x == 'D')
        horizonal(a1, a2, r1, b1, b2, r2);
    else
        vertical(a1, a2, r1, b1, b2, r2);
}

inline void multiply(pair <int, int> t1[N][N], pair <int, int> t2[N][N], int n, int m) {
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            T[i][j] = 0;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++) {
            T[t2[i][j].first][t2[i][j].second]++;
            if(T[t2[i][j].first][t2[i][j].second] > 1)
                cout << "XD\n";
        }
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            f3[i][j] = t2[t1[i][j].first][t1[i][j].second];
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            t1[i][j] = f3[i][j];
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            T[i][j] = 0;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++) {
            T[t1[i][j].first][t1[i][j].second]++;
            if(T[t1[i][j].first][t1[i][j].second] > 1)
                cout << "XD\n";
        }
}

inline void fast_powering(int pot, int n, int m) {
    while(pot) {
        if(pot & 1)
            multiply(f2, f1, n, m);
        multiply(f1, f1, n, m);
        pot >>= 1;
    }
}

inline void find_locations(int n, int m, int k) {
    int keyd = '.', key = keyd + 1;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++) {
            if(tab[i][j] == '.')
                T[i][j] = keyd;
            else {
                T[i][j] = key;
                w1[key++] = {i, j};
            }
        }
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            swap(tab[i][j], T[i][j]);
    for(int i = 2; i <= 5; i++)
        make_a_move(seq[i]);
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            swap(tab[i][j], T[i][j]);
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            if(T[i][j] > keyd)
                w2[T[i][j]] = {i, j};
    for(int i = keyd + 1; i < key; i++)
        f1[w1[i].first][w1[i].second] = {w2[i].first, w2[i].second};
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++) {
            f2[i][j] = {i, j};
            if(!f1[i][j].first && !f1[i][j].second)
                f1[i][j] = {i, j};
        }
    fast_powering((seq.size() - 2) / 4, n, m);
}

inline void adjust_locations(int n, int m) {
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            T[i][j] = 0;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            T[f2[i][j].first][f2[i][j].second] = tab[i][j];
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++) {
            if(T[i][j])
                tab[i][j] = T[i][j];
            else
                tab[i][j] = '.';
        }
}

inline void solve_seq(int n, int m, int k) {
	if(!change_seq(k)) {// we don't go to any corner
		make_a_move(seq[0]);
		return;
	} if(seq.size() <= 10) {
        for(int i = 0; i < seq.size(); i++)
            make_a_move(seq[i]);
	} else {
        make_a_move(seq[0]); make_a_move(seq[1]);
        find_locations(n, m, seq.size());
        adjust_locations(n, m);
        for(int i = seq.size() - (seq.size() - 2) % 4; i < (int)seq.size(); i++)
            make_a_move(seq[i]);
	}
}

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, m; cin >> n >> m;
	lim[0] = {{1, m}, {1, n}};
	lim[1] = {{1, m}, {n, 1}};
	lim[2] = {{1, n}, {1, m}};
	lim[3] = {{1, n}, {m, 1}};
	for(int i = 1; i <= n; i++)
		for(int j = 1; j <= m; j++) {
            char a; cin >> a;
			tab[i][j] = a;
        }
	int k; cin >> k;
	solve_seq(n, m, k);
	/*for(int i = 0; i < seq.size(); i++)
		cout << seq[i];
	cout << "\n";
	//return 0;
	/*for(int t = 0; t < (int)seq.size(); t++) {
		char o = seq[t]; //cin >> o; cout << t + 1 << "\n";
		make_a_move(o);
		for(int i = 1; i <= n; i++) {
			for(int j = 1; j <= m; j++)
				cout << tab[i][j];
			cout << "\n";
		}
		cout << "\n";
	}*/
	for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++)
            cout << (char)tab[i][j];
        cout << "\n";
    }
	return 0;
}