#include<bits/stdc++.h>
using namespace std;

using ll = int_fast64_t;
#define rep(i,n) for(int i=0;i<int(n);++i)
#define repr(i,n) for(int i{n};i-->0;)
ll mpow(ll n,ll p){
  ll ans=1LL;
  while(p){
    if(p&1)ans*=n;
    n*=n;
    p>>=1;
  }
  return ans;
}

signed main(){

  ll n,z;
  cin>>n>>z;

  auto solve = [](ll n,ll z)->bool{
    if(z==1)return false;
    if(n==1)return true;
    ll xn,yn,zn=mpow(z,n);
    for(ll x=1;xn=mpow(x,n),xn<zn;++x){
      for(ll y=1;yn=mpow(y,n),xn+yn<=zn;++y){
        if(xn+yn==zn)return true;
      }
    }
    return false;
  };
  cout<<(solve(n,z)?"Yes":"No")<<endl;

}