public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (true) {
int N = sc.nextInt(), M = sc.nextInt(), S = sc.nextInt();
sc.nextLine();
if (N + M + S == 0) {
break;
}
char[][] map = new char[N][M];
boolean robotFound = false;
Robot robot = null;
for (int i = 0; i < N; i++) {
map[i] = sc.nextLine().toCharArray();
if (!robotFound) {
for (int j = 0; j < map[i].length; j++) {
char c = map[i][j];
if (c == 'N' || c == 'S' || c == 'L' || c == 'O') {
robot = new Robot(i, j, c);
robotFound = true;
}
}
}
}
char[] queries = sc.nextLine().toCharArray();
// for each query
for (int i = 0; i < S; i++) {
char query = queries[i];
if (query == 'D') {
robot.turnRight();
} else if (query == 'E') {
robot.turnLeft();
} else if (query == 'F') {
int tempRow = robot.row, tempCol = robot.col;
robot.moveForward();
if (robot.row < 0 || robot.row > N - 1 || robot.col > M - 1 || robot.col < 0) {
robot.row = tempRow;
robot.col = tempCol;
} else {
char currentChar = map[robot.row][robot.col];
if (currentChar == '*') {
robot.collectSticker();
map[robot.row][robot.col] = '.';
} else if (currentChar == '#') {
robot.row = tempRow;
robot.col = tempCol;
}
}
}
}
System.out.println(robot.sticker);
}
}
