package main

import (
	"bufio"
	"fmt"
	"math/big"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)

func main() {
	sc.Split(bufio.ScanWords)
	r := big.NewRat(nextInt64(), nextInt64())
	m, n := r.Num().Int64(), r.Denom().Int64()

	c := 0
	for n != 1 || m != 1 {
		if m < n {
			m, n = n, m
			c++
		}
		m -= n
		c++
	}
	fmt.Println(c)
}

func nextLine() string {
	sc.Scan()
	return sc.Text()
}

func nextInt64() int64 {
	i, _ := strconv.ParseInt(nextLine(), 10, 64)
	return i
}