#include <bits/extc++.h>

template <class T, class Op = std::multiplies<>>
constexpr T power(T a, uint64_t n, T init = 1, Op op = Op{}) {
  while (n) {
    if (n & 1) init = op(init, a);
    if (n >>= 1) a = op(a, a);
  }
  return init;
}

int main() {
  using namespace std;
  cin.tie(nullptr)->sync_with_stdio(false);
  int n, z;
  cin >> n >> z;
  vector<int> v;
  for (int x = 1; x < z; ++x) v.push_back(power(x, n));
  for (int x : v) {
    int yn = power(z, n) - x;
    if (binary_search(begin(v), end(v), yn)) {
      cout << "Yes\n";
      exit(0);
    }
  }
  cout << "No\n";
}