#include <bits/stdc++.h>

using namespace std;

template <typename T>
int pow(int x, T n, int mod = std::numeric_limits<int>::max()) {
  int res = 1;
  while (n > 0) {
    if (n & 1) res = static_cast<int64_t>(res) * static_cast<int64_t>(x) % mod;
    x = static_cast<int64_t>(x) * static_cast<int64_t>(x) % mod;
    n >>= 1;
  }
  return res;
}

int sqrt(int x, int n) {
  int lo = 0, hi = x;
  while (lo <= hi) {
    int mi = (lo + hi) / 2;
    if (pow(mi, n) == x) {
      return mi;
    } else if (pow(mi, n) < x) {
      lo = mi + 1;
    } else {
      hi = mi - 1;
    }
  }
  return -1;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, z;
  cin >> n >> z;
  int zn = pow(z, n);
  for (int i = 1; i < z + 1; i++) {
    if (zn - pow(i, n) < 1) continue;
    int j = sqrt(zn - pow(i, n), n);
    if (j != -1) {
      cout << "Yes" << '\n';
      return 0;
    }
  }
  cout << "No" << '\n';
  return 0;
}