class Yukicoder
  def initialize
    t, c = gets.chomp.split.map(&:to_i)
    dp = Hash.new

    dp[1] = 1.0

    a = [2,3,5,7,11,13].inject(:+) / 6.0
    b = [4,6,8,9,10,12].inject(:+) / 6.0

    puts (a**t) * (b**c)
  end
end

Yukicoder.new