#include using namespace std; // #include // using namespace atcoder; typedef long long ll; typedef pair P; typedef pair PLL; typedef pair PP; typedef vector llVEC; typedef vector

PVEC; typedef priority_queue > PPQ; typedef priority_queue > llPQ; #define rep(i,a,n) for(ll i = a;i < n;i++) #define rrep(i,a,n) for(ll i = n-1; i >= a;i--) #define index_check(i,n) if(i > n-1 || i < 0) continue; #define LINF (ll)1e18 #define INF (int)1e9 #define fs first #define sc second template ll sz(vector &vec){ return (ll)vec.size(); } ll sz(string &s){ return (ll)s.size(); } ll gcd(ll a,ll b){ return ((!b) ?a :gcd(b, a%b)); } ll lcm(ll a,ll b){ return a / gcd(a,b) * b; } int main(){ ll n,z; cin >> n >> z; if(n >= 3){ cout << "No" << endl; } else{ rep(i,1,z+1){ rep(j,1,z+1){ if(pow(i,n)+pow(j,n) > pow(z,n)) break; if(pow(i,n)+pow(j,n) == pow(z,n)){ cout << "Yes" << endl; return 0; } } } cout << "No" << endl; } return 0; }