#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) begin(v),end(v) template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using pii = pair; constexpr ll INF = 1ll<<30; constexpr ll longINF = 1ll<<60; constexpr ll MOD = 1000000007; constexpr bool debug = false; //---------------------------------// int main() { int N, Z; cin >> N >> Z; puts([&]() -> bool { if (N == 1) return Z > 1; auto pow = [](int a, int n) -> int { int res = 1; while (n > 0) { if (n & 1) res *= a; a *= a; n >>= 1; } return res; }; // Z <= 10^3 FOR(i, 1, Z) FOR(j, i, Z) if (pow(i, N) + pow(j, N) == Z) return true; return false; }() ? "Yes": "No"); }