#include <bits/stdc++.h>

using ll = long long;

using namespace std;

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

    int n, z;
    cin >> n >> z;

    if (n == 1)
    {
        cout << (z > 1 ? "Yes" : "No") << "\n";
        return 0;
    }
    else if (n == 2)
    {
        if (z % 2 == 0)
            cout << "No" << "\n";
        else
        {
            for (int m = 2; m < z; m += 2)
            {
                for (int n = 1; n < m; n += 2)
                {
                    if (m * m + n * n == z * z)
                    {
                        cout << "Yes" << "\n";
                        return 0;
                    }
                }
            }
            cout << "No" << "\n";
        }
    }
    else
        cout << "No" << "\n";

    return 0;
}