#include <iostream>
#include <array>
#include <algorithm>
#include <vector>
#include <bitset>
#include <set>
#include <unordered_set>
#include <cmath>
#include <complex>
#include <deque>
#include <iterator>
#include <numeric>
#include <map>
#include <unordered_map>
#include <queue>
#include <stack>
#include <string>
#include <tuple>
#include <utility>
#include <limits>
#include <iomanip>
#include <functional>
#include <cassert>
using namespace std;

using ll=long long;
template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
using vll = V<ll>;
using vvll = V<vll>;
#define ALL(v) v.begin(),v.end()
template < class T > inline bool chmax(T& a, T b) {if (a < b) { a=b; return true; } return false; }
template < class T > inline bool chmin(T& a, T b) {if (a > b) { a=b; return true; } return false; }
#define DEBUG_VLL(vec) REP(sz, vec.size()) std::cerr<<vec[sz]<<(sz==vec.size()-1?'\n':' ');

const long long MOD = 1000000007;
const long long HIGHINF = (long long)1e18;
const int INF = (int)1e9;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n, z; cin >> n >> z;
    if (n >= 3) cout << "No\n";
    else {
        int zn = 1;
        for (int i = 0; i < n; i++) zn *= z;

        set<int> xns;
        for (int x = 1; x < z; x++) {
            int xn = 1;
            for (int j = 0; j < n; j++) xn *= x;
            xns.insert(xn);
        }

        for (int xn: xns) {
            if (xns.find(zn - xn) != xns.end()) {
                cout << "Yes\n";
                return 0;
            }
        }
        cout << "No\n";
    }
    return 0;
}