#include<bits/stdc++.h>
using namespace std;

#include<bits/stdc++.h>
using namespace std;
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
#define RALL(A) A.rbegin(),A.rend()
typedef long long LL;
typedef pair<LL,LL> P;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename T> T gcd(T a,T b){return b?gcd(b,a%b):a;}
const LL mod=1000000007;
const LL LINF=1LL<<60;
const int INF=1<<30;
int dx[]={1,0,-1,0,1,-1,1,-1};
int dy[]={0,1,0,-1,1,-1,-1,1};


int main(){
    int n,z;cin >> n >> z;
    if(3 <= n){
        puts("No");
    }
    else if(n == 2){
        for (int x = 1; x < z; x++) {
            for (int y = 1; y < z; y++) {
                if(x * x + y * y == z * z){
                    puts("Yes");
                    return 0;
                }
            }
        }
        puts("No");
    }
    else{
        if(z == 1) puts("No");
        else puts("Yes");
    }
    return 0;
}