#include <bits/stdc++.h>
using namespace std;

struct iofast_t {
    iofast_t() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr); cout.tie(nullptr);
    }
} iofast;

struct uns_t {} uns;
template <typename Element, typename Head, typename ...Args>
auto vec(Element init, Head arg, Args ...args) {
    if constexpr (sizeof...(Args) == 0) return std::vector(arg, init);
    else return std::vector(arg, vec(init, args...));
}
template <typename Element, typename Head, typename ...Args>
auto vec(uns_t, Head arg, Args ...args) {
    return vec(Element(), arg, args...);
}

template <typename T, typename Compare = less<T>>
T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); }
template <typename T, typename Compare = less<T>>
T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); }

int main() {
    constexpr int inf = INT_MAX / 4;

    int n, k; cin >> n >> k;

    auto dp = vec<int>(inf, n + 1);
    dp[1] = 0;

    for (int i = 2; i <= n; ++i) {
        if (i % 2 == 0) {
            chmin(dp[i], dp[i / 2] + 1);
        }
        if (3 <= i) {
            chmin(dp[i], dp[i - 3] + 1);
        }
    }

    cout << (dp[n] <= k ? "YES" : "NO") << endl;
}