miner

from collections import deque


def next_move(minerrow, minercol, command_):
    if command_ == "up":
        if minerrow - 1 >= 0:
            minerrow -= 1
    elif command_ == "down":
        if minerrow + 1 < n:
            minerrow += 1
    elif command_ == "right":
        if minercol + 1 < n:
            minercol += 1
    elif command_ == "left":
        if minercol - 1 >= 0:
            minercol -= 1
    return minerrow, minercol


n = int(input())
commands = deque(input().split())

total_coals = 0
miner_row, miner_col = None, None
matrix = []

for row in range(n):
    current_row = input().split()
    matrix.append(current_row)
    for element in current_row:
        if element == "c":
            total_coals += 1
        elif element == 's':
            miner_row = row
            miner_col = current_row.index(element)
game_over = False

while total_coals > 0 and commands:

    command = commands.popleft()
    miner_row, miner_col = next_move(miner_row, miner_col, command)
    if matrix[miner_row][miner_col] == 'e':
        game_over = True
        break
    elif matrix[miner_row][miner_col] == "c":
        total_coals -= 1
        matrix[miner_row][miner_col] = '*'
        if total_coals == 0:
            break

if game_over:
    print(f"Game over! ({miner_row}, {miner_col})")

elif total_coals == 0:
    print(f"You collected all coal! ({miner_row}, {miner_col})")

else:
    print(f"{total_coals} pieces of coal left. ({miner_row}, {miner_col})")