#!/usr/bin/env ruby

input = gets.chomp
input =~ /(\d+) players; last marble is worth (\d+) points/
num_players = $1.to_i
num_marbles = $2.to_i
marbles = [0]
players = Array.new(num_players, 0)
current = 0
player = 0

num_marbles.times do |m|
  marble = m + 1

  if (marble % 23).zero?
    players[player] += marble
    d = (current - 7) % marbles.length
    players[player] += marbles.delete_at(d)
    current = d
  else
    nm = ((current + 1) % marbles.length) + 1
    marbles.insert(nm, marble)
    current = nm
  end

  player = (player + 1) % num_players
end

puts players.max