// >>> TEMPLATES #include using namespace std; using ll = long long; using ld = long double; #define int ll #define double ld #define rep(i,n) for (int i = 0; i < (int)(n); i++) #define rep1(i,n) for (int i = 1; i <= (int)(n); i++) #define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--) #define rep1R(i,n) for (int i = (int)(n); i >= 1; i--) #define loop(i,a,B) for (int i = a; i B; i++) #define loopR(i,a,B) for (int i = a; i B; i--) #define all(x) (x).begin(), (x).end() #define allR(x) (x).rbegin(), (x).rend() #define pb push_back #define eb emplace_back #define mp make_pair #define fst first #define snd second #define INF (numeric_limits::max()/2-1) #ifdef LOCAL #include "debug.hpp" #define dump(...) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] ", dump_impl(#__VA_ARGS__, __VA_ARGS__) #define say(x) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] " << x << endl #define debug if (1) #else #define dump(...) (void)(0) #define say(x) (void)(0) #define debug if (0) #endif template using pque_max = priority_queue; template using pque_min = priority_queue, greater >; template ::value>::type> ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; } template ::value>::type> istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; } template istream& operator>>(istream& is, pair& p) { return is >> p.first >> p.second; } struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup; template struct FixPoint : private F { constexpr FixPoint(F&& f) : F(forward(f)) {} template constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward(x)...); } }; struct MakeFixPoint { template constexpr auto operator|(F&& f) const { return FixPoint(forward(f)); } }; #define MFP MakeFixPoint()| #define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__) template struct vec_impl { using type = vector::type>; template static type make_v(size_t n, U&&... x) { return type(n, vec_impl::make_v(forward(x)...)); } }; template struct vec_impl { using type = T; static type make_v(T const& x = {}) { return x; } }; template using vec = typename vec_impl::type; template auto make_v(Args&&... args) { return vec_impl::make_v(forward(args)...); } template void quit(T const& x) { cout << x << endl; exit(0); } template constexpr bool chmin(T& x, T const& y) { if (x > y) { x = y; return true; } return false; } template constexpr bool chmax(T& x, T const& y) { if (x < y) { x = y; return true; } return false; } template constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits::value_type{}); } template int sz(T const& x) { return x.size(); } template int lbd(C const& v, T const& x) { return lower_bound(v.begin(), v.end(), x)-v.begin(); } template int ubd(C const& v, T const& x) { return upper_bound(v.begin(), v.end(), x)-v.begin(); } // <<< // >>> runtime modint class runtime_modint { using i32 = int32_t; using i64 = int64_t; using M = runtime_modint; i32 x; public: static i32& mod() { static i32 mod = 0; return mod; } runtime_modint(i64 x = 0) : x((assert(mod() > 0), ((x%=mod()) < 0 ? x+mod() : x))) { } i64 val() const { return x; } bool operator==(M const& r) const { return x == r.x; } bool operator!=(M const& r) const { return x != r.x; } M operator+() const { return *this; } M operator-() const { return M()-*this; } M& operator+=(M const& r) { i64 t = i64(x) + r.x; if (t >= mod()) t -= mod(); x = t; return *this; } M& operator-=(M const& r) { i64 t = i64(x) + mod()-r.x; if (t >= mod()) t -= mod(); x = t; return *this; } M& operator*=(M const& r) { return *this = *this * r; } M operator*(M const& r) const { M t; t.x = (i64(x)*r.x) % mod(); return t; } M& operator/=(M const& r) { return *this *= r.inv(); } M operator+(M const& r) const { return M(*this) += r; } M operator-(M const& r) const { return M(*this) -= r; } M operator/(M const& r) const { return M(*this) /= r; } friend M operator+(ll x, M const& y) { return M(x)+y; } friend M operator-(ll x, M const& y) { return M(x)-y; } friend M operator*(ll x, M const& y) { return M(x)*y; } friend M operator/(ll x, M const& y) { return M(x)/y; } M pow(ll n) const { if (n < 0) return inv().pow(-n); M v = *this, r = 1; for (; n > 0; n >>= 1, v *= v) if (n&1) r *= v; return r; } M inv() const { assert(x > 0); i64 t = 1, v = x, q = 0, r = 0; while (v != 1) { q = mod() / v; r = mod() % v; if (r * 2 < v) { t *= -q; t %= mod(); v = r; } else { t *= q + 1; t %= mod(); v -= r; } } if (t < 0) t += mod(); M y; y.x = t; return y; } static i64 gen() { // assume mod():prime if (mod() == 2) return 1; vector ps; int n = mod()-1; for (int i = 2; i*i <= n; ++i) { if (n % i) continue; ps.push_back(i); do n /= i; while (n % i == 0); } if (n > 1) ps.push_back(n); n = mod()-1; auto check = [&](M g) { for (int p : ps) if (g.pow(n/p) == 1) return false; return true; }; for (int g = 2; g <= n; ++g) if (check(g)) return g; return -1; } int log(M y) { assert(x > 0); int s = 1; while (s*s < mod()) s++; dump(mod(),s); unordered_map m; M c = 1; rep (i,s) { if (!m.count(c.val())) m[c.val()] = i; c *= *this; if (c.val() == 1) return i+1; } M d = pow(-s); c = y; rep (i,s) { if (m.count(c.val())) { int ans = i*s + m[c.val()]; if (ans > 0) return ans; } c *= d; } return -1; } }; #ifdef LOCAL string to_s(runtime_modint r) { return to_s(r.val(), runtime_modint::mod()); } #endif ostream& operator<<(ostream& os, runtime_modint r) { return os << r.val(); } istream& operator>>(istream& is, runtime_modint &r) { ll x; is >> x; r = x; return is; } using mint = runtime_modint; // <<< int32_t main() { int p,n; cin >> p >> n; mint::mod() = p; // rep1 (i,p-1) { // int val = mint(i).log(1); // dump(i,val); // rep1 (j,val-1) { // if (mint(i).pow(j) == 1) { // dump(i,j,mint(i).pow(j) != 1); // } // assert(mint(i).pow(j) != 1); // } // assert(mint(i).pow(val) == 1); // } int d = mint(n).log(1); assert((p-1)%d == 0); int k = (p-1)/d; dump(d,k); cout << ((p-1-k)&1) << endl; }