text: #include <bits/stdc++.h>
  using namespace std;
  using ll = long long;
  using ld = long double;
  // --------------------------------------------------------
  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 FOR(i,l,r) for (ll i = (l); i < (r); ++i)
  #define RFOR(i,l,r) for (ll i = (r)-1; (l) <= i; --i)
  #define REP(i,n) FOR(i,0,n)
  #define RREP(i,n) RFOR(i,0,n)
  #define ALL(c) (c).begin(), (c).end()
  #define RALL(c) (c).rbegin(), (c).rend()
  #define SORT(c) sort(ALL(c))
  #define RSORT(c) sort(RALL(c))
  #define MIN(c) *min_element(ALL(c))
  #define MAX(c) *max_element(ALL(c))
  #define SUMLL(c) accumulate(ALL(c), 0LL)
  #define COUNT(c,v) count(ALL(c),(v))
  #define SZ(c) ((ll)(c).size())
  #define BIT(b,i) (((b)>>(i)) & 1)
  #define PCNT(b) __builtin_popcountll(b)
  #define CIN(c) cin >> (c)
  #define COUT(c) cout << (c) << '\n'
  #define debug(x) cerr << "l." << __LINE__ << " : " << #x << " = " << (x) << '\n'
  ll llceil(ll a, ll b) { return (a + b - 1) / b; }
  ll bitlen(ll b) { if (b <= 0) { return 0; } return (64LL - __builtin_clzll(b)); }
  string toupper(const string& S) { string T(S); REP(i,SZ(T)) T[i] = toupper(T[i]); return T; }
  string tolower(const string& S) { string T(S); REP(i,SZ(T)) T[i] = tolower(T[i]); return T; }
  template<class T> void cout_line(const vector<T>& ans, ll l, ll r) { for (ll i = l; i < r; i++) { if (i != l) { cout << " "; } cout << ans[i]; } cout << '\n'; }
  template<class T> void debug_line(const vector<T>& ans, ll l, ll r, ll L = 0) { cerr << "l." << L << " :"; for (ll i = l; i < r; i++) { cerr << " " << ans[i]; } cerr << '\n'; }
  using P = pair<ll,ll>;
  using VP = vector<P>;
  using VVP = vector<VP>;
  using VS = vector<string>;
  using VVS = vector<VS>;
  using VLL = vector<ll>;
  using VVLL = vector<VLL>;
  using VVVLL = vector<VVLL>;
  using VB = vector<bool>;
  using VVB = vector<VB>;
  using VVVB = vector<VVB>;
  using VD = vector<double>;
  using VVD = vector<VD>;
  using VVVD = vector<VVD>;
  using VLD = vector<ld>;
  using VVLD = vector<VLD>;
  using VVVLD = vector<VVLD>;
  static const double EPS = 1e-10;
  static const double PI  = acos(-1.0);
  static const ll MOD = 1000000007;
  // static const ll MOD = 998244353;
  static const ll INF = (1LL << 62) - 1;  // 4611686018427387904 - 1
  // --------------------------------------------------------
  // #include <atcoder/all>
  // using namespace atcoder;
  
  
  int main() {
      ios::sync_with_stdio(false);
      cin.tie(nullptr);
      cout << fixed << setprecision(15);
  
      ll A, B; cin >> A >> B;
  
      if (A <= B && B <= 6*A) {
          COUT("Yes");
      } else {
          COUT("No");
      }
  
      return 0;
  }
  