class Calc0167
  def initialize(args)
    args = args.map { |l| l.chomp.split(/\s+/) }
    @n = args.shift.first
    @m = args.shift.first
  end

  TABLE = [
    [0],
    [1],
    [6, 2, 4, 8],
    [1, 3, 9, 7],
    [6, 4],
    [5],
    [6],
    [1, 7, 9, 3],
    [6, 8, 4, 2],
    [1, 9]
  ]

  def run
    n = @n[-1..-1].to_i
    m = (@m.size == 1 ? @m : @m[-2..-1]).to_i
    if @m == '0'
      1
    else
      TABLE[n][m % TABLE[n].size]
    end
  end
end

puts Calc0167.new(STDIN.readlines).run if __FILE__ == $0