#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<map>
#include<math.h>
#include<iomanip>
#include<set>
#include<numeric>
#include<cstring>
#include<cstdio>
#include<functional>
#include<bitset>
#include<limits.h>
#include<cassert>
#include<iterator>
#include<complex>
#include<stack>
#include<sstream>
#include<iterator>
#include<list>

using namespace std;

#define INF LLONG_MAX / 5
//#define int long long
#define rep(i, n) for (int i = 0; i < n; i++)
#define sort(v) sort((v).begin(), (v).end())
#define reverse(v) reverse((v).begin(), (v).end())
#define upper(v,hoge) upper_bound(v.begin(),v.end(),hoge)
#define lower(v,hoge) lower_bound(v.begin(),v.end(),hoge)
#define enld endl

signed main() {
	int n, z;
	cin >> n >> z;
	if (n == 1) {
		if (z == 1) {
			cout << "No" << enld;
		}
		else {
			cout << "Yes" << enld;
		}
	}
	else if (n == 2) {
		for (int x = 1; x <= z; x++) {
			double y = z * z - x * x;
			if (y > 0) {
				y = sqrt(y);
				if (y == int(y)) {
					cout << "Yes" << enld;
					return 0;
				}
			}
		}
		cout << "No" << enld;
	}
	else {
		cout << "No" << endl;
	}
}