def add_n(player_id: str, n: int) -> str:
    """Add an integer to a player id
    e.g. add_n("engelcu01", 2) -> "engelcu03"
    """
    temp = int(player_id[-2:]) + int(n)
    num = str(temp).zfill(2)
    return "{}{}".format(player_id[0 : len(player_id) - 2], num)