import java.util.Scanner;


public class Main_yukicoder141 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int m = sc.nextInt();
        int n = sc.nextInt();

        int gcd = gcd(m, n);
        m /= gcd;
        n /= gcd;

        int ret = 0;
        while (m != 1 || n != 1) {
        	if (n == 1) {
        		ret += m - 1;
        		break;
        	} else if (m > n) {
        		ret += m / n;
        		m %= n;
        	} else {
        		int tmp = m;
        		m = n;
        		n = tmp;
        		ret++;
        	}

        	gcd = gcd(m, n);
            m /= gcd;
            n /= gcd;
        }

        System.out.println(ret);

        sc.close();
    }

	private static int gcd(int n, int m) {
		if (m == 0) {
			return n;
		} else {
			return gcd(m, n % m);
		}
	}
}