#include <bits/stdc++.h>
using namespace std;
/* typedef */
typedef long long ll;
typedef pair<int, int> pii;
/* constant */
const int INF = 1 << 30;
const ll LINF = 1LL << 50;
const int NIL = -1;
const int MAX = 10000;
const int mod = 1000000007;
const double pi = 3.141592653589;
/* global variables */
/* function */
/* main */
int main(){
    int n, z;
    cin >> n >> z;
    set<int> s;
    for (int x = 1; x < z; x++) {
        int x_n = pow(x , n);
        s.insert(x_n);
    }
    vector<int> y;
    int z_n = pow(z, n);
    for (int x_n : s) {
        y.push_back(z_n - x_n);
    }
    for (int i = 0; i < y.size(); i++) {
        if (s.count(y[i])) {
            cout << "Yes" << '\n';
            return 0;
        }
    }
    cout << "No" << '\n';
}