snake

def next_position(com, r, c):
    if com == 'up':
        r -= 1
    elif com == 'down':
        r += 1
    elif com == 'left':
        c -= 1
    elif com == 'right':
        c += 1
    return r, c


def is_inside(r, c, size_):
    if 0 <= r < size_ and 0 <= c < size_:
        return True
    return False


size = int(input())
field = []
snake_row, snake_col = None, None
burrows = []
food_eaten = 0
for row in range(size):
    field.append(list(input()))
    for col in range(size):
        if field[row][col] == 'S':
            snake_row, snake_col = row, col
        elif field[row][col] == 'B':
            burrows.append((row, col))

while food_eaten < 10:
    command = input()
    next_row, next_col = next_position(command, snake_row, snake_col)
    field[snake_row][snake_col] = '.'
    if not is_inside(next_row, next_col, size):
        print("Game over!")
        break
    snake_row, snake_col = next_row, next_col
    if field[next_row][next_col] == '*':
        food_eaten += 1

    elif field[next_row][next_col] == 'B':
        field[next_row][next_col] = '.'
        if (next_row, next_col) == burrows[0]:
            snake_row, snake_col = burrows[1]
        else:
            snake_row, snake_col = burrows[0]
    field[snake_row][snake_col] = "S"

if food_eaten >= 10:
    print("You won! You fed the snake.")
print(f"Food eaten: {food_eaten}")
for row in field:
    print(*row, sep='')