#include <bits/stdc++.h>

using namespace std;
void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}
int main() {
    fast_io();
    int a, b;
    cin >> a >> b;
    if (a <= 2 * b && b <= 2 * a) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
}