#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

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

    int b = 0;

    if (n == 1) {
        b = z >= 2;
    } else if (n == 2) {
        for (int i = 1; i < z; i++) {
            int t = z * z - i * i;
            int s = (int)sqrt(t);
            if (s * s == t) b = 1;
        }
    } else {
        b = 0;
    }

    cout << (b ? "Yes" : "No") << endl;

    return 0;
}