#!/usr/bin/env python3


def play(players, count):
    marbles = dict()
    marble_current = None
    score = [0] * players

    def add_marble(num):
        nonlocal marbles
        nonlocal marble_current

        item = {
            'number': num,
            'prev': None,
            'next': None
        }
        marbles[num] = item
        if len(marbles) == 1:
            item['prev'] = num
            item['next'] = num
        else:
            j1 = marbles[marble_current]['next']
            j2 = marbles[j1]['next']
            item['prev'] = j1
            item['next'] = j2
            marbles[j1]['next'] = num
            marbles[j2]['prev'] = num

        marble_current = num
#        print('adding marble {} next to {} and {}'.format(num, item['prev'], item['next']))

    def rule_23(round):
        nonlocal players
        nonlocal marbles
        nonlocal score
        nonlocal marble_current

        j1 = marble_current
        for i in range(7):
            j1 = marbles[j1]['prev']
        
        marble_current = marbles[j1]['next']
        j1p = marbles[j1]['prev']
        j1n = marbles[j1]['next']

        marbles[j1p]['next'] = j1n
        marbles[j1n]['pred'] = j1p

        player = round % players
        score[player] += j1
        score[player] += round

#        print('removed marble {} between {} and {}'.format(j1,j1p,j1n))
#        print('added {} and {} to player {}'.format(j1,round, player))

    for r in range(count):
       if (r % 23 == 0) and (r > 0):
           rule_23(r)
       else:
           add_marble(r)

    print(max(score))

play(486, 7083300)