#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;

int main() {
    ll n, z;
    cin >> n >> z;
    if (n >= 3 || z == 1) {
        cout << "No" << endl;
        return 0;
    }
    if (n == 1) {
        cout << "Yes" << endl;
        return 0;
    }

    for (int x = 1; x <= 1000; x++)
        for (int y = 1; y <= 1000; y++) {
            if (x * x + y * y == z * z) {
                cout << "Yes" << endl;
                return 0;
            }
        }
    cout << "No" << endl;

    return 0;
}