#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
using ll = long long;
using ld = long double;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    ll N,K; cin >> N >> K;
    if(K == 0) {
        cout << 1 << endl;
        return 0;
    }
    K = N * (N + 1) / 2 - K;
    // x(2y+x-1) = 2K
    for(ll x = 1; x <= N; x++) {
        if((2 * K) % x == 0) {
            // 2y = 2K/x - x + 1
            ll z = (2 * K) / x - x + 1;
            if(z % 2 == 0) {
                ll y = z / 2;
                if(x * (2 * y + x - 1) == 2 * K && x + y <= N) {
                    cout << 1 << endl;
                    return 0;
                }
            }
        }
    }
    cout << 2 << endl;
    return 0;
}