#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main () {
    ll N, K;
    cin >> N >> K;
    K = (N * (N + 1)) / 2 - K;
    K *= 2;
    for (ll x = 1; x * x <= K; x ++) {
        if (K % x) {
            continue;
        }
        ll y = K / x;
        if ((x + y) % 2 == 0) {
            continue;
        }
        ll a = (y + (x - 1)) / 2, b = (y - (x - 1)) / 2;
        if (1 <= b && a <= N) {
            cout << 1 << endl;
            return 0;
        }
    }
    cout << 2 << endl;
}