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#include <iostream>

using namespace std;
int main()
{
	int sze = 0, wys = 0, ilru = 0;
	string ru;
	string pla0[1000];
	char pla[1000][1000];
	cin >> wys >> sze;

	for (int i = 0; i < wys; i++)
	{
		cin >> pla0[i];
	}

	cin >> ilru;
	cin >> ru;

	for (int y = 0; y < wys; y++)
	{
		for (int x = 0; x < sze; x++)
		{
			pla[y][x] = pla0[y][x];
		}
	}

	for (int i = 0; i < ru.length(); i++)
	{
		if (ru[i] == 'G')
		{
			bool por = false;
			for (int j = 0; j < sze; j++) {
				int ter = 0;
				for (int i = 0; i < wys; i++) {
					if (pla[i][j] == '.') continue;
					if (pla[ter][j] == '.') {
						pla[ter][j] = pla[i][j];
						pla[i][j] = '.';
						por = true;
					}
					else {
						ter++;
						if (ter != i) {
							pla[ter][j] = pla[i][j];
							pla[i][j] = '.';
							por = true;
						}
					}
				}
			}
		}
		else if (ru[i] == 'D')
		{
			bool por = false;
			for (int j = 0; j < sze; j++) {
				int ter = sze - 1;
				for (int i = wys - 1; i >= 0; i--) {
					if (pla[i][j] == '.') continue;
					if (pla[ter][j] == '.') {
						pla[ter][j] = pla[i][j];
						pla[i][j] = '.';
						por = true;
					}
					else {
						ter--;
						if (ter != i) {
							pla[ter][j] = pla[i][j];
							pla[i][j] = '.';
							por = true;
						}
					}
				}
			}
		}
		else if (ru[i] == 'L')
		{
			bool por = false;
			for (int i = 0; i < wys; i++) {
				int ter = 0;
				for (int j = 0; j < sze; j++) {
					if (pla[i][j] == '.') continue;
					if (pla[i][ter] == '.') {
						pla[i][ter] = pla[i][j];
						pla[i][j] = '.';
						por = true;
					}
					else {
						ter++;
						if (ter != j) {
							pla[i][ter] = pla[i][j];
							pla[i][j] = '.';
							por = true;
						}
					}
				}
			}
		}
		else if (ru[i] == 'P')
		{
			bool por = false;
			for (int i = 0; i < wys; i++) {
				int ter = sze - 1;
				for (int j = sze - 1; j >= 0; j--) {
					if (pla[i][j] == '.') continue;
					if (pla[i][ter] == '.') {
						pla[i][ter] = pla[i][j];
						pla[i][j] = '.';
						por = true;
					}
					else {
						ter--;
						if (ter != j) {
							pla[i][ter] = pla[i][j];
							pla[i][j] = '.';
							por = true;
						}
					}
				}
			};
		}
	}

	for (int z = 0; z < wys; z++)
	{
		for (int x = 0; x < sze; x++)
		{
			cout << pla[z][x];
		}
		cout << endl;
	}

}