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#include <iostream>
#include <cstring>

using namespace std;

long long pd[500*500], pp[500*500], pa[500 * 500], r[500*500], logp[20][500*500], ppp[4][500 * 500], qqq[4][500 * 500];
long long c[500], w[500];
long long n, k, q, i, ps, mm, m, j,a,b, x,y, lgd, llp, st, sst, rot;
char s[502];
char g[500000];

void collect() {
	for (i = 0; i < n; i++) w[i] = 0;
	for (j = 0; j < m; j++) c[j] = 0;
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++)
			if (r[m*i + j] == 0) {
				w[i] += 1;
				c[j] += 1;
			}
}


int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(NULL);
	cin >> n;
	cin >> m;

	for (i = 0; i < n; i++) {
		cin >> s;
		for (j = 0; j < m; j++) {
			if (s[j] == 'B') { r[m*i + j] = 1; }
			else if (s[j] == 'C') { r[m*i + j] = -1; }
			else { r[m*i + j] = 0; }
		}
		//printf(s);
		//printf("\n");
	}
	cin >> k;
	cin >> g;
	q = 0;
	for (mm = 0; mm < 2; mm++) {
		//printf("%ld k\n", k);
		while (q < k && (g[q] == 'G' || g[q] == 'D'))
			q += 1;
		if (q > 0 && (g[q - 1] == 'G' || g[q - 1] == 'D')) {
			for (j = 0; j < m; j++) {
				a = 0;
				b = 0;
				while (b < n) {
					if (r[m*b + j] != 0) {
						r[m*a + j] = r[m*b + j];
						a++;
					}
					b++;
				}
				for (b = a; b < n; b++) r[m*b + j] = 0;
			}
			collect();
			//printf("%lld\n", c[3]);
			lgd = -1;
			if (g[q - 1] == 'D') {
				lgd = +1;
				for (j = 0; j < m; j++) {
					for (i = n - 1; i >= c[j]; i--)
						r[i*m + j] = r[(i - c[j])*m + j];
					for (i = 0; i < c[j]; i++) r[i*m + j] = 0;

				}
			}
			collect();
		}
		//printf("%ld \n", w[0]);
		//printf("%ld w\n", w[3]);
		while (q < k && (g[q] == 'L' || g[q] == 'P'))
			q += 1;
		if (q > 0 && (g[q-1]=='L' ||g[q-1]=='P')) {
			for (i = 0; i < n; i++) {
				a = 0;
				b = 0;
				while (b < m) {
					if (r[m*i + b] != 0) {
						r[m*i + a] = r[m*i + b];
						a++;
					}
					b++;
				}
				for (b = a; b < m; b++) r[m*i + b] = 0;
			}
			collect();
			llp = -1;
			if (g[q - 1] == 'P') {
				llp = +1;
				for (i = 0; i < n; i++) {
					for (j = m - 1; j >= w[i]; j--)
						r[i*m + j] = r[i*m + j - w[i]];
					for (j = 0; j < w[i]; j++) r[i*m + j] = 0;
				}
			}
			collect();
			//printf("%ld k\n", k);
		}
	}
	if (q == k) {
		for (i = 0; i < n; i++) {
			for (j = 0; j < m; j++) if (r[i*m + j] == 1) printf("B"); else if (r[i*m + j] == -1) printf("C"); else printf(".");
			printf("\n");
		}
		
	}
	else {
		//printf("%ld, %ld\n", q,k);
		//printf("%ld k\n", k);
		for (i = 0; i < n; i++)
			for (j = 0; j < m; j++) {
				pd[i*m + j] = ((i + c[j]) % n)*m + j;
				pp[i*m + j] = i*m + (j + w[i]) % m;
			}
		ps = 0;
		i = q;
		if (lgd == -1 && llp == -1) { st = 0; }
		else if (lgd == -1 && llp == +1) { st = 1; }
		else if (lgd == +1 && llp == +1) { st = 2; }
		else { st = 3; }
		sst = st;
		if (st == 1 || st == 2) {
			for (j = 0; j < m/2; j++) {
				a = c[j];
				c[j] = c[m - j - 1];
				c[m - j - 1] = a;
			}
		}
		if (st == 2 || st == 3) {
			for (i = 0; i < n/2; i++) {
				a = w[i];
				w[i] = w[n - i - 1];
				w[n - i - 1] = a;
			}
		}
		rot = 0;
		//printf("%ld sst\n", st);
		i = q;
		while (i < k) {
			//printf("%ld %ld ist\n",st,k);
			if (g[i] == 'P') {
				if (st == 0) { st = 1; }
				else if (st == 3) { st = 2; }
			}
			else if (g[i] == 'D') {
				if (st == 0) {
					st = 3; rot -= 1;
				}
				else if (st == 1) st = 2;
			}
			else if (g[i] == 'L') {
				if (st == 1) { st = 0; }
				else if (st == 2) { st = 3; }
			}
			else {
				if (st == 3) {
					st = 0; rot += 1;
				}
				else if (st == 2) st = 1;
			}
			i += 1;
		}
		//printf("%ld\n", sst);
		//printf("%ld \n", st);
		for (i = 0; i < n; i++)
			for (j = 0; j < m; j++) {
				ppp[0][i*m + j] = i*m + (j + w[i]) % m;
				qqq[0][i*m + j] = ((i + c[j]) % n)*m + j;
				ppp[1][i*m + j] = ((i + c[m - j - 1]) % n)*m + j;
				qqq[1][i*m + j] = i*m + (m + j - w[i]) % m;
				ppp[2][i*m + j] = i*m + (m + j - w[n - i - 1]) % m;
				qqq[2][i*m + j] = ((i+n-c[m-j-1])%n)*m + j;
				ppp[3][i*m + j] = ((i + n - c[j]) % n)*m + j;
				qqq[3][i*m + j] = i*m + (j + w[n - i - 1]) % m;
			}
		if (rot > 0) {
			for (i = 0; i < n*m; i++) {
				a = i;
				for (j = 0; j < 4; j++) a = ppp[j][a];
				logp[0][i] = a;
			}
		}
		else if (rot < 0)
		{
			for (i = 0; i < n*m; i++) {
				a = i;
				for (j = 4; j >0 ; j--) a = qqq[j%4][a];
				logp[0][i] = a;
			}
		}
		for (j = 0; j < 19; j++)
			for (i = 0; i < n*m; i++)
				logp[j + 1][i] = logp[j][logp[j][i]];
		if (rot < 0) rot = -rot;
		for (i = 0; i < n*m; i++) {
			pp[i] = i; 
		}
		j = 0;
		//printf("%ld ZZZ\n",rot);
		while (rot > 0) {
			if (rot % 2 == 1) {
				for (i = 0; i < n*m; i++) pd[i] = pp[logp[j][i]];
				for (i = 0; i < n*m; i++) pp[i] = pd[i];
			}
			rot /= 2;
			j++;
			//printf("%ld ZYPZ\n", pp[0]);
		}
		//printf("%ld ZYZ\n", pp[0]);
		for (i = 0; i < n*m; i++) pd[i] = i;
		for (j = 1; j <= sst; j++) {
			for (i = 0; i < n*m; i++)
				pd[i] = pp[qqq[j][i]];
			for (i = 0; i < n*m; i++)
				pp[i] = pd[i];
		}
		//printf("%ld KKK\n",pp[12]);
		for (j = 0; j < st; j++) {
			for (i = 0; i < n*m; i++)
				pd[i] = ppp[j][pp[i]];

			for (i = 0; i < n*m; i++)
				pp[i] = pd[i];
		}
			//printf("%ld KYK\n", pp[12]);
			for (i = 0; i < n*m; i++) pa[pp[i]] = r[i];
			for (i = 0; i < n; i++) {
				for (j = 0; j < m; j++) {
					if (pa[i*m + j] == 1) { printf("B"); }
						else if (pa[i*m + j] == -1){ printf("C"); }
						else printf(".");
					}
					printf("\n");
				}
		}
	}