#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define all(a) a.begin(),a.end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define pb push_back #define debug(x) cerr << __LINE__ << ' ' << #x << ':' << x << '\n' #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; typedef long double ld; typedef pair P; typedef complex com; template using pque = priority_queue, greater>; constexpr int inf = 1000000010; constexpr ll INF = 1000000000000000010; constexpr int mod1e9 = 1000000007; constexpr int mod998 = 998244353; constexpr ld eps = 1e-12; constexpr ld pi = 3.141592653589793238; constexpr ll ten(int n) { return n ? 10 * ten(n - 1) : 1; }; int dx[] = { 1,0,-1,0,1,1,-1,-1 }; int dy[] = { 0,1,0,-1,1,-1,1,-1 }; void fail() { cout << "-1\n"; exit(0); } template inline bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(T &a, const U &b) { if (a > b) { a = b; return true; } return false; } template istream &operator >> (istream &s, vector &v) { for (auto &e : v) s >> e; return s; } template ostream &operator << (ostream &s, const vector &v) { for (auto &e : v) s << e << ' '; return s; } struct fastio { fastio() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); cerr << fixed << setprecision(20); } }fastio_; int main() { int k, x; cin >> k >> x; if (k == 0) x++; if (x != (x & (-x))) { cout << "No\n"; return 0; } if (k == 0) { if (x == 1) { cout << "Yes\n1\n1\n"; return 0; } x >>= 1; } vector ans; ans.pb(k); int m = k & (-k); for (int i = 1; i < 100; i++) { if (i & m) continue; if (x == 1) break; ans.pb(i); if (i != (i & (-i))) x >>= 1; if (x == 1) break; x >>= 1; ans.pb(i); } if (x == 0) { ans.clear(); ans.pb(k ^ 1); } cout << "Yes\n"; cout << ans.size() << '\n'; cout << ans << '\n'; }