#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) begin(v),end(v) template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using pii = pair; constexpr ll INF = 1ll<<30; constexpr ll longINF = 1ll<<60; constexpr ll MOD = 1000000007; constexpr bool debug = false; //---------------------------------// int main() { int N, K; cin >> N >> K; vector dp(N + 1, INF); dp[1] = 0; auto solve = [&](auto self, int n) -> int { int & res = dp[n]; if (n == 0 || res != INF) return res; if (n >= 3) chmin(res, self(self, n - 3) + 1); if (~n & 1) chmin(res, self(self, n / 2) + 1); return res; }; puts(solve(solve, N) <= K ? "YES" : "NO"); }