#include<bits/stdc++.h>
//#include <cmath>
using namespace std;
#define ll long long
#define rep(i,n) for(long long i = 0; i < (long long)(n); i++)
#define repi(i,a,b) for(long long i = (long long)(a);i < (long long)(b);i++)
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
#define pb push_back
#define fr first
#define sc second
#define ALL(x) (x).begin(),(x).end()
#define mp make_pair
#define dou double
//#define mod 998244353
//using mint = static_modint<998244353>;
int main(){
  ll a,b;
  cin>>a>>b;
  if(a<=b*2&&b<=a*2) cout<<"Yes"<<endl;
  else cout<<"No"<<endl;
}