#include <bits/stdc++.h>
using namespace std;

int main()
{
	int64_t n, z;
	cin >> n >> z;

	if (3 <= n)
	{
		cout << "No" << endl;
		return 0;
	}

	auto p = [](int64_t a, int64_t n) {
		int64_t ret = 1;
		for (; n; n >>= 1)
		{
			if (n & 1)
			{
				ret *= a;
			}
			a *= a;
		}
		return ret;
	};

	for (int64_t x = 1; p(x, n) <= p(z, n); x++)
	{
		int64_t y = [&] {
			int64_t ret = 1;
			while (p(x, n) + p(ret, n) < p(z, n))
			{
				ret++;
			}
			return ret;
		}();

		if (p(x, n) + p(y, n) == p(z, n))
		{
			cout << "Yes" << endl;
			return 0;
		}
	}

	cout << "No" << endl;

	return 0;
}