#pragma GCC optimize ("O2")
#pragma GCC target ("avx2")
#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
#define co(x) cout << (x) << "\n"
#define cosp(x) cout << (x) << " "
#define ce(x) cerr << (x) << "\n"
#define cesp(x) cerr << (x) << " "
#define pb push_back
#define mp make_pair
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
#define Would
#define you
#define please


int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);


	int N, Z;
	cin >> N >> Z;

	int ZN = 1;
	rep(i, N) ZN *= Z;

	if (N == 1) {
		if (ZN == 1) co("No");
		else co("Yes");
		return 0;
	}

	for (int x = 1; x < ZN; x++) {
		int atai = 1;
		rep(i, N) {
			atai *= x;
			if (atai >= ZN) {
				co("No");
				return 0;
			}
		}

		int amari = ZN - atai;
		rep1(y, ZN) {
			int kari = 1;
			rep(i, N) {
				kari *= y;
				if (kari >= ZN) break;
			}
			if (amari == kari) {
				co("Yes");
				return 0;
			}
			if (kari >= amari) break;
		}
	}
	co("No");

	Would you please return 0;
}