# your code goes here
board = []
for x in range(5):
board.append(["O"] * 5)
def print_board(board):
for row in board:
print '---'.join(row)
print_board(board)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCmJvYXJkID0gW10KCmZvciB4IGluIHJhbmdlKDUpOgogICAgYm9hcmQuYXBwZW5kKFsiTyJdICogNSkgIAoKZGVmIHByaW50X2JvYXJkKGJvYXJkKToKICAgIGZvciByb3cgaW4gYm9hcmQ6CiAgICAgICAgcHJpbnQgJy0tLScuam9pbihyb3cpCgpwcmludF9ib2FyZChib2FyZCk=