lib C fun strtoll(s : UInt8*, p : UInt8**, b : Int32) : Int64 end class String def to_i64 C.strtoll(self, nil, 10) end end x = read_line.split.map(&.to_i).sort n = read_line.to_i a = read_line.split.map(&.to_i) dp = [0i64] * 8 dp[0] = 1i64 (0...n).each do |i| dp2 = dp.dup (0...8).each do |bit| if pos = (0...3).select { |j| bit.bit(j) == 0 && x[j] <= a[i] }.max_by? { |j| x[j] } dp2[bit | (1 << pos)] += dp[bit] else dp2[bit] += dp[bit] end end dp = dp2 end puts dp[-1]