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


int main(){
	ll N, M;
	cin >> N >> M;
	if (M <= 2){
		cout << (N == 1 ? 2 : 0) << "\n";
		return 0;
	}
	if (N == 1){
		cout << 3 + (M - 2) * (M - 1) / 2 << "\n";
		return 0;
	}
	ll a = 1, b = 1;
	vector<ll> q;
	do{
		a = (a + b) % N;
		swap(a, b);
		q.push_back(a);
	}while (a != 1 || b != 1);
	// f2, f3, ... , fm
	vector<ll> p(N);
	int len = q.size();
	int syo = (M - 1) / len;
	int rem = (M - 1) % len;
	for (int i = 0; i < len; i++){
		p[q[i]] += syo + (i < rem);
	}
	ll ans = 0;
	if (q[(M - 2) % len] == 0) ans += 2;
	if (q[(M - 3) % len] == 0) ans += 1;
	for (auto x : p) ans += x * (x - 1) / 2;
	cout << ans << "\n";
}