main = getLine >>= print . koba . map read . words

koba [m,n] = let d = gcd m n in dp 0 (div m d) (div n d)

dp acc x y
  | x == y = acc
  | x == 1 = acc + y
  | y == 1 = acc + x - 1
  | x < y = dp (acc+1) y x
  | otherwise = dp (acc+1) (x-y) y