#include <iostream>
#include <algorithm>
using namespace std;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	long long n, k; cin >> n >> k;
	k = n * (n + 1LL) / 2 - k; k *= 2;
	for (long long i = 1; i * i < k; i++) {
		if (k % i != 0) continue;
		long long r = k / i;
		if ((r + i - 1LL) & 1LL) continue;
		long long y = (r + i - 1LL) / 2;
		if (y <= n) {
			cout << 1 << '\n';
			return 0;
		}
	}
	cout << 2 << '\n';
	return 0;
}