// (⁠◕⁠ᴗ⁠◕⁠✿⁠) // #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include #define rep(i, n) for (ll i = 0; i < (n); i++) #define srep(i, s, n) for (ll i = s; i < (n); i++) #define len(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() using namespace std; template using vc = vector; template using vv = vc>; template using vvv = vv>; using vi = vc;using vvi = vv; using vvvi = vv; using ll = long long;using vl = vc;using vvl = vv; using vvvl = vv; using ld = long double; using vld = vc; using vvld = vc; using vvvld = vc; using uint = unsigned int; using ull = unsigned long long; const ld pi = acos(-1.0); const int inf = 0x3f3f3f3f; const ll INF = 0x3f3f3f3f3f3f3f3f; // const ll mod = 1000000007; const ll mod = 998244353; inline bool inside(ll y, ll x, ll H, ll W) {return 0 <= (y) and (y) < (H) and 0 <= (x) and (x) < (W); } #define debug(var) do{std::cout << #var << " : \n";view(var);}while(0) template void view(T e){cout << e << endl;} template void view(const vc& v){for(const auto& e : v){ cout << e << " "; } cout << endl;} template void view(const vv& vv){ for(const auto& v : vv){ view(v); } } int main(){ int N; ll K; cin >> N >> K; K = (ll)N * (N + 1) / 2 - K; int l = 1, r = 1; ll sm = 0; while (l <= N){ if (sm < K && r <= N){ sm += r; r++; }else{ sm -= l; l++; } if (sm == K){ cout << 1 << endl; return 0; } } cout << 2 << endl; }