require 'date'

class Yukicoder
  def initialize
    start = Date.new(2015, 1, 1)
    count = 0

    365.times do |i|
      date = start + i

      month = date.month
      day = date.day

      if month == day.to_s.chars.map(&:to_i).inject(:+)
        count += 1
      end
    end

    puts count
  end
end

Yukicoder.new