from constants import VALORANT_RANKS

def apply_rr(rank: str, rr: int, change: int):
    rr += change
    idx = VALORANT_RANKS.index(rank)

    while rr >= 100 and idx < len(VALORANT_RANKS) - 1:
        rr -= 100
        idx += 1

    return VALORANT_RANKS[idx], rr