#include <iostream>
#include <math.h>
int func(int a,int b){
	while(1){
		int r=a%b;
		if(r==0)return b;
		a=b;
		b=r;
	}
}
int main(){
	int a,b;
	std::cin>>a>>b;
	if(a==b){
		std::cout<<0<<std::endl;
		return 0;
	}
	int m=func(a,b);
	a/=m;
	b/=m;
	int count=0;
	while(1){
		if(a>b){
			int s=a/b;
			a-=s*b;
			count+=s;
		}else{
			int tmp=a;
			a=b;
			b=tmp;
			count++;
		}
		if(a==1){
			count+=b;
			break;
		}
		if(b==1){
			count+=a-1;
			break;
		}
		if(a==b){
			break;
		}
	}
	std::cout<<count<<std::endl;
	return 0;
}