#include using namespace std; using ll=long long; #define rep(i,n) for(int i=0;i=0;i--) #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() template bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;} template bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;} int n; ll k; int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cin>>n>>k; setse; for(ll i=1;i<=n;i++)se.insert(i*(i+1)/2); if(se.count(k))cout<<1<<"\n"; else{ ll m=0; for(ll i=n;i>=1;i--){ m+=i; if(se.count(k-m)){ cout<<1<<"\n"; return 0; } } cout<<2<<"\n"; } }