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

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