#define _USE_MATH_DEFINES

#include <iostream>
#include <iomanip>

#include <algorithm>
#include <cmath>

#include <string>
#include <list>
#include <queue>
#include <vector>
#include <complex>
#include <set>

/////////
#define REP(i, x, n) for(int i = x; i < n; i++)
#define rep(i,n) REP(i,0,n)
#define P(p) cout<<(p)<<endl;
/////////
typedef long long LL;
typedef long double LD;
/////////
using namespace::std;
/////////

int main(void){
    std::cin.tie(0); 
    std::ios::sync_with_stdio(false);
    std::cout << std::fixed;//
    //cout << setprecision(6);//
	
	LL A,B,C,ans=0;
	cin>>A>>B;

	for(;;)
	{
		if(A==B){
			P(ans);
			return 0;
		}
		else if(B==1){
			P(ans+A-1);
			return 0;
		}
		else if(A==1){
			P(ans+B);
			return 0;
		}
		else if(A<B){
			C = B;
			B = A;
			A = C;
			++ans;
		}
		else{//a>b
			A = A-B;
			++ans;
		}
	}
	return 0;
}