0ms ac

#include<iostream>
using namespace std;

int main() {
    int x,y;
    cin >> x >> y;

    for (int i = 1; i < x;i ++) {
        if ((y-(i*2)) % 4 == 0 && (y-(i*2)) / 4 == x-i) {
            cout << "Yes";
            exit(0);
        } else {
            continue;
        }
    }
    cout << "No";
}