/* -*- coding: utf-8 -*-
 *
 * 141.cc: No.141 魔法少女コバ - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int m, n;
  cin >> m >> n;

  int g = __gcd(m, n);
  m /= g, n /= g;

  int cnt = 0;
  while (m > 1 || n > 1) {
    if (n == 1)
      cnt += m - 1, m = 1;
    else if (m < n)
      cnt++, swap(m, n);
    else
      cnt += m / n, m %= n;
  }

  printf("%d\n", cnt);
  return 0;
}