task_2

size = 8
field = []
black_row, black_col = None, None
white_row, white_col = None, None
winning_row, winning_col = None, None
winner = ''
for row in range(size):
    field.append(input().split())
    if 'w' in field[row]:
        white_row, white_col = row, field[row].index('w')
    if 'b' in field[row]:
        black_row, black_col = row, field[row].index('b')

columns_mapper = {0: 'a', 1: 'b', 2: 'c', 3: 'd', 4: 'e', 5: 'f', 6: 'g', 7: 'h'}
rows_mapper = {0: 8, 1: 7, 2: 6, 3: 5, 4: 4, 5: 3, 6: 2, 7: 1}

is_promoted = False
while True:
    if (white_row - 1 >= 0 and white_col - 1 >= 0) and field[white_row - 1][white_col - 1] == 'b':
        winning_row, winning_col = white_row - 1, white_col - 1
        winner = 'White'
        break
    if (white_row - 1 >= 0 and white_col + 1 < size) and field[white_row - 1][white_col + 1] == 'b':
        winning_row, winning_col = white_row - 1, white_col + 1
        winner = 'White'
        break

    if white_row - 1 > 0:
        field[white_row][white_col] = '-'
        white_row -= 1
        field[white_row][white_col] = 'w'

    else:
        winner = 'White'
        winning_row, winning_col = white_row - 1, white_col
        is_promoted = True
        break

    if (black_row + 1 < size and black_col - 1 >= 0) and field[black_row + 1][black_col - 1] == 'w':
        winning_row, winning_col = black_row + 1, black_col - 1
        winner = 'Black'
        break
    if (black_row + 1 < size and black_col + 1 < size) and field[black_row + 1][black_col + 1] == 'w':
        winning_row, winning_col = black_row + 1, black_col + 1
        winner = 'Black'
        break

    if black_row + 1 < size - 1:
        field[black_row][black_col] = '-'
        black_row += 1
        field[black_row][black_col] = 'b'
    else:
        winner = "Black"
        winning_row, winning_col = black_row + 1, black_col
        is_promoted = True
        break

if is_promoted:
    print(f"Game over! {winner} pawn is promoted to a queen at {columns_mapper[winning_col]}{rows_mapper[winning_row]}.")
else:
    print(f"Game over! {winner} win, capture on {columns_mapper[winning_col]}{rows_mapper[winning_row]}.")