#include <bits/stdc++.h>

using i32 = std::int32_t;
using u32 = std::uint32_t;
using i64 = std::int64_t;
using u64 = std::uint64_t;
using i128 = __int128_t;
using u128 = __uint128_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;

class rep {
    struct Iter {
        usize itr;
        constexpr Iter(const usize pos) noexcept : itr(pos) {}
        constexpr void operator++() noexcept { ++itr; }
        constexpr bool operator!=(const Iter& other) const noexcept {
            return itr != other.itr;
        }
        constexpr usize operator*() const noexcept { return itr; }
    };
    const Iter first, last;

  public:
    explicit constexpr rep(const usize first, const usize last) noexcept
        : first(first), last(std::max(first, last)) {}
    constexpr Iter begin() const noexcept { return first; }
    constexpr Iter end() const noexcept { return last; }
};

template <class T, T Div = 2>
constexpr T INFTY = std::numeric_limits<T>::max() / Div;

template <class T> bool setmin(T& lhs, const T& rhs) {
    if (lhs > rhs) {
        lhs = rhs;
        return true;
    }
    return false;
}

template <class T> using Vec = std::vector<T>;

void E_main() {
    usize N, K;
    std::cin >> N >> K;
    Vec<usize> dp(N + 1, INFTY<usize>);
    setmin<usize>(dp[1], 0);
    for (const auto m : rep(1, N + 1)) {
        if (2 * m <= N) {
            setmin(dp[2 * m], dp[m] + 1);
        }
        if (m + 3 <= N) {
            setmin(dp[m + 3], dp[m] + 1);
        }
    }
    std::cout << (dp[N] <= K ? "YES" : "NO") << '\n';
    return;
}

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    E_main();
    return 0;
}