#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
#include <complex>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <cassert>
#include <fstream>
#include <utility>
#include <functional>
#include <time.h>
#include <stack>
#include <array>
#define popcount __builtin_popcount
using namespace std;
typedef long long int ll;
typedef pair<int, int> P;

int main()
{
    int n; ll z;
    cin>>n>>z;
    if(n>=3){
        cout<<"No"<<endl;
        return 0;
    }
    if(n==1){
        if(z==1) cout<<"No"<<endl;
        else cout<<"Yes"<<endl;
        return 0;
    }
    for(ll i=1; i<z; i++){
        for(ll j=1; j<z; j++){
            if(i*i+j*j==z*z){
                cout<<"Yes"<<endl;
                return 0;
            }
        }
    }
    cout<<"No"<<endl;
    return 0;
}