//
// Created by HakuroKawashiro on 2024/4/24.
//
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <cmath>
#define ll long long
using namespace std;
int main() {
    ll a,b;
    scanf("%lld%lld",&a,&b);
    if (a * 2 < b || b * 2 < a) {
        printf("No");
    } else {
        printf("Yes");
    }
    return 0;
}