using System;
using System.Collections;
using System.Collections.Generic;
 
class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		long g=gcd(N,M);
		M/=g;N/=g;
		
		long cnt=0;
		while(M!=0){
			if(M>N){
				cnt+=(M/N);
				M%=N;
				continue;
			}else{
				cnt++;
				long tmp=M;M=N;N=tmp;
			}
		}
		Console.WriteLine(cnt-1);
	}
	
	
	public static long gcd(long a,long b){
		return a==0?b:gcd(b%a,a);
	}
	
	long N,M;
	public Sol(){
		var d=rla();
		M=d[0];N=d[1];
	}
	
	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}