#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; }
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define mp make_pair
#define si(x) int(x.size())
const int mod=998244353,MAX=300005,INF=1<<30;

int main(){
    
    std::ifstream in("text.txt");
    std::cin.rdbuf(in.rdbuf());
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    ll N,K;cin>>N>>K;
    for(ll l=1;l<=N;l++){
        ll a=l-1,b=3*N;
        while(b-a>1){
            ll c=(a+b)/2;
            ll sum=(l+c)*(c-l+1)/2;
            if(sum>=N*(N+1)/2-K) b=c;
            else a=c;
        }
        if(b<=N&&(l+b)*(b-l+1)/2==N*(N+1)/2-K){
            cout<<1<<endl;
            return 0;
        }
    }
    cout<<2<<endl;
}