#include <bits/stdc++.h>
using namespace std;

int gcd(int a, int b) {
    while (b) {
        int c = b;
        b = a % b;
        a = c;
    }
    return a;
}


int main() {
    int M, N;
    cin >> M >> N;

    int g = gcd(N, M);
    N /= g;
    M /= g;

    int ans = 0;
    if (N > M) {
        swap(N, M);
        ans++;
    }

    while (N != 1 || M != 1) {
        int tmp = M / N;
        ans += tmp;
        M -= tmp * N;
        if (M == 0) {
            ans--;
            break;
        }
        swap(N, M);
        ans++;
    }

    cout << ans << endl;
}