class Yukicoder
  def initialize
    m, n = gets.chomp.split.map(&:to_i)
    count = 0
    cur = Rational(m,n)

    while cur != 1.0
      m = cur.numerator   # 分子
      n = cur.denominator # 分母

      if n == 1
        count += m-1
        break
      elsif cur > 1.0
        x = m / n
        cur = Rational(m - n*x, n)
        count += x
      else
        cur = Rational(n, m)
        count += 1
      end
    end

    puts count
  end
end

Yukicoder.new