#include <bits/stdc++.h>
#define GET_MACRO(a, b, c, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)
#define rep2(i, a) rep3 (i, 0, a)
#define rep3(i, a, b) for (int i = (a); i < (b); i++)
#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)
#define repr2(i, a) repr3 (i, 0, a)
#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define chmin(a, b) ((b) < a && (a = (b), true))
#define chmax(a, b) (a < (b) && (a = (b), true))
using namespace std;
typedef long long ll;

int main() {
	ll M, N;
	cin >> M >> N;
	ll g = __gcd(M, N);
	M /= g;
	N /= g;
	ll ans = 0;
	while (M != 1 || N != 1) {
		if (N == 1) {
			ans += M - 1;
			break;
		}
		if (M > N) {
			ans += M / N;
			M %= N;
		}
		if (M < N) {
			ans++;
			swap(M, N);
		}
	}
	cout << ans << endl;
	return 0;
}