#define DEBUG 1 #include #define loop(n) for (lint ngtkana_is_a_genius = 0; ngtkana_is_a_genius < lint(n); ngtkana_is_a_genius++) #define rep(i, begin, end) for (lint i = lint(begin); (i) < lint(end); i++) #define all(v) v.begin(), v.end() #define rand(l, r) std::uniform_int_distribution<>(l, r)(mt) using lint = long long; auto mt = std::mt19937_64(std::random_device{}()); auto cmn = [](auto&& a, auto b){ if (a > b) {a = b; return true;} return false; }; auto cmx = [](auto&& a, auto b){ if (a < b) {a = b; return true;} return false; }; void debug_impl() { std::cerr << std::endl; } template void debug_impl(Head head, Tail... tail) { std::cerr << " " << head; debug_impl(tail...); } #if DEBUG #define debug(...)\ do {\ std::cerr << std::boolalpha << "[" << #__VA_ARGS__ << "]:";\ debug_impl(__VA_ARGS__);\ std::cerr << std::noboolalpha;\ } while (false) #else #define debug(...) {} #endif template < typename Container, typename Value = typename Container::value_type, std::enable_if_t::value, std::nullptr_t> = nullptr> std::istream& operator>> (std::istream& is, Container& v) { for (auto & x : v) { is >> x; } return is; } template < typename Container, typename Value = typename Container::value_type, std::enable_if_t::value, std::nullptr_t> = nullptr > std::ostream& operator<< (std::ostream& os, Container const& v) { os << "{"; for (auto it = v.begin(); it != v.end(); it++) {os << (it != v.begin() ? "," : "") << *it;} return os << "}"; } lint f(lint a, lint p) { if(p==2)return +1; a%=p; if(a==1)return +1; if(a==2){ return (p*p-1)/8%2?-1:+1; } std::vectorprimes; for(lint q=2;q*q<=a;q++){ while(a%q==0){ primes.push_back(q); a/=q; } } if(1> P >> N; lint ans=f(N,P); std::cout << (ans==+1?0:1) << std::endl; return 0; }