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def get_adjustment(current_mod_rest, ins):
    if   current_mod_rest == 0 and ins == "G":
        return -1
    elif current_mod_rest == 0 and ins == "P":
        return 1
    
    elif current_mod_rest == 1 and ins == "L":
        return -1
    elif current_mod_rest == 1 and ins == "G":
        return 1
    
    elif current_mod_rest == 2 and ins == "L":
        return 1
    elif current_mod_rest == 2 and ins == "D":
        return -1
    
    elif current_mod_rest == 3 and ins == "P":
        return -1
    elif current_mod_rest == 3 and ins == "D":
        return 1
    return 0


class Board:
    def __init__(self):
        n, m = [int(e) for e in input().split()]
        self.spiral_i = None
        self.M = []
        for i in range(n):
            self.M.append(list(input()))
        
        _, self.instructions = input(), list(input())

        self.mov_dict = {
            "G": [
                [(i, j) for i in range(n)]
                for j in range(m)
            ],
            "D": [
                [(i, j) for i in range(n - 1, -1, -1)]
                for j in range(m)
            ],
            "P": [
                [(i, j) for j in range(m - 1, -1, -1)]
                for i in range(n)
            ],
            "L": [
                [(i, j) for j in range(m)]
                for i in range(n)
            ]
        }
    
    def show(self):
        for line in self.M:
            print("".join(line))

    def move_by(self, moves):
        for move_l in moves:
            pre_ind = 0
            for ind in range(len(move_l)):
                i, j = move_l[ind]
                if self.M[i][j] == ".": 
                    continue
                if ind == pre_ind:
                    pre_ind += 1
                    continue
                pre_i, pre_j = move_l[pre_ind]
                pre_ind += 1

                self.M[pre_i][pre_j] = self.M[i][j]
                self.M[i][j] = "."

    
    def move(self, c):
        self.move_by(self.mov_dict[c])


    @staticmethod
    def counter_directions(p1, p2):
        return (
            (p1 in "LP" and p2 in "GD") or 
            (p2 in "LP" and p1 in "GD")
        )

    def early_simplify(self):
        for i in range(len(self.instructions) - 1):
            p1, p2 = self.instructions[i:i+2]
            if self.counter_directions(p1, p2):
                self.move(p1)
                self.move(p2)

                concat = f"{p1}{p2}"
                if concat in ["LD", "DL"]:
                    self.spiral_i = 0
                if concat in ["PD", "DP"]:
                    self.spiral_i = 1
                if concat in ["PG", "GP"]:
                    self.spiral_i = 2
                if concat in ["LG", "GL"]:
                    self.spiral_i = 3

                self.instructions = self.instructions[i+2:]
                return
    
        self.move(self.instructions[-1])
        self.show()
        exit(0)

    
    def current_mod_rest(self, i):
        return (10 ** 6 + i) % 4

    def calculate_end_spiral(self):
        self.end_spiral_i = self.spiral_i

        for ins in self.instructions:
            self.end_spiral_i += get_adjustment(
                self.current_mod_rest(self.end_spiral_i), 
                ins
            )

    def __str__(self):
        res = ""
        for line in self.M:
            res += "".join(line)
        return res
    
    def inc_spiral(self):
        for ins in "GDLP":
            if get_adjustment(self.current_mod_rest(self.spiral_i), ins) == 1:
                self.move(ins)
                self.spiral_i += 1
                return
        assert(False)

    def dec_spiral(self):
        for ins in "GDLP":
            if get_adjustment(self.current_mod_rest(self.spiral_i), ins) == -1:
                self.move(ins)
                self.spiral_i -= 1
                return
        assert(False)
    
    def get_cycle_length(self):
        pre_spiral_i = self.spiral_i
        begin_state = str(self)
        while True:
            self.inc_spiral()
            if str(self) == begin_state:
                res = self.spiral_i - pre_spiral_i
                self.spiral_i = pre_spiral_i
                return res

    def solve(self):
        for ins in self.instructions:
            b.move(ins)
        return
        b.early_simplify()
        b.calculate_end_spiral()
        # cycle_l = b.get_cycle_length()
        # while True:
        #     prop1 = self.end_spiral_i - cycle_l
        #     prop2 = self.end_spiral_i + cycle_l

        #     if abs(self.end_spiral_i) <= min(abs(prop1), abs(prop2)):
        #         break
        #     self.end_spiral_i = prop1 if abs(prop1) < abs(self.end_spiral_i) else prop2
        
        while self.spiral_i != self.end_spiral_i:
            # print(self.spiral_i, self.end_spiral_i)
            if self.spiral_i < self.end_spiral_i:
                self.inc_spiral()
            else:
                self.dec_spiral()

b = Board()
b.solve()
b.show()