//#define NDEBUG
#pragma warning(disable : 4146)

#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <iomanip>
#include <iostream>
#include <utility>
#include <vector>

namespace n91 {

using i32 = std::int32_t;
using i64 = std::int64_t;
using u32 = std::uint32_t;
using u64 = std::uint64_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;
using f64 = double;

struct rep {
  struct itr {
    usize i;
    constexpr itr(const usize i) noexcept : i(i) {}
    void operator++() noexcept { ++i; }
    constexpr usize operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
  };
  const itr f, l;
  constexpr rep(const usize f, const usize l) noexcept
      : f(std::min(f, l)), l(l) {}
  constexpr auto begin() const noexcept { return f; }
  constexpr auto end() const noexcept { return l; }
};
struct revrep {
  struct itr {
    usize i;
    constexpr itr(const usize i) noexcept : i(i) {}
    void operator++() noexcept { --i; }
    constexpr usize operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
  };
  const itr f, l;
  constexpr revrep(const usize f, const usize l) noexcept
      : f(l - 1), l(std::min(f, l) - 1) {}
  constexpr auto begin() const noexcept { return f; }
  constexpr auto end() const noexcept { return l; }
};
template <class T> auto md_vec(const usize n, const T &value) {
  return std::vector<T>(n, value);
}
template <class... Args> auto md_vec(const usize n, Args... args) {
  return std::vector<decltype(md_vec(args...))>(n, md_vec(args...));
}
template <class T> constexpr T difference(const T &a, const T &b) noexcept {
  return a < b ? b - a : a - b;
}
template <class T> void chmin(T &a, const T &b) noexcept {
  if (b < a)
    a = b;
}
template <class T> void chmax(T &a, const T &b) noexcept {
  if (a < b)
    a = b;
}
template <class F> class rec_lambda {
  F f;

public:
  rec_lambda(F &&f_) : f(std::forward<F>(f_)) {}
  template <class... Args> auto operator()(Args &&... args) const {
    return f(*this, std::forward<Args>(args)...);
  }
};
template <class T> T scan() {
  T ret;
  std::cin >> ret;
  return ret;
}
constexpr char eoln = '\n';
template <class T> T ceildiv(const T &l, const T &r) {
  return l / r + (l % r != 0 ? 1 : 0);
}

#ifdef N91_LOCAL
#define OJ_LOCAL(a, b) b
#else
#define OJ_LOCAL(a, b) a
#endif

} // namespace n91

#include <atcoder/convolution>
#include <atcoder/modint>

#include <vector>

namespace n91 {

template <class T> class mint_utils {
  using usize = std::size_t;

  std::vector<T> fact_, inv_fact_;

public:
  mint_utils() : fact_(), inv_fact_() {}
  explicit mint_utils(const usize n) : fact_(n + 1), inv_fact_(n + 1) {
    fact_[0] = 1;
    for (usize i = 0; i != n; i += 1) {
      fact_[i + 1] = fact_[i] * (i + 1);
    }
    inv_fact_[n] = T(1) / fact_[n];
    for (usize i = n; i != 0; i -= 1) {
      inv_fact_[i - 1] = inv_fact_[i] * i;
    }
  }

  T fact(const usize n) const { return fact_[n]; }

  T inv_fact(const usize n) const { return inv_fact_[n]; }

  T binom(const usize n, const usize r) const {
    return fact_[n] * inv_fact_[r] * inv_fact_[n - r];
  }

  T homo(const usize n, const usize r) const {
    return fact_[n + r - 1] * inv_fact_[n] * inv_fact_[r - 1];
  }
};

} // namespace n91

#include <array>

namespace n91 {

void main_() {
  using mint = atcoder::static_modint<924844033>;

  const usize A = scan<usize>();
  const usize B = scan<usize>();
  const usize C = scan<usize>();

  if ((A + B + C) % 2 == 1) {
    std::cout << 0 << eoln;
    return;
  }

  const usize N = (A + B + C) / 2;

  std::array<std::vector<mint>, 3> s, t;
  std::fill(s.begin(), s.end(), std::vector<mint>(N + 1, 0));
  t = s;

  const mint_utils<mint> util(2 * N + 1);
  for (const usize i : rep(0, std::min(B, N) + 1)) {
    s[(2 * i + 2 * B) % 3][i] += util.inv_fact(i) * util.inv_fact(B - i);
  }
  for (const usize i : rep(0, std::min(C, N) + 1)) {
    t[(C + i) % 3][i] += util.inv_fact(i) * util.inv_fact(C - i);
  }

  mint ans = 0;
  for (const usize d : rep(0, 3)) {
    const auto &x = s[d];
    const auto &y = t[(3 - d) % 3];
    const auto z = atcoder::convolution(x, y);
    for (const usize i : rep(0, z.size())) {
      if (N >= i && A + i >= N) {
        ans += z[i] * util.inv_fact(N - i) * util.inv_fact(A + i - N);
      }
    }
  }
  ans *= util.fact(N) * util.fact(N);

  std::cout << ans.val() << eoln;
}

} // namespace n91

int main() {
  //*
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  //*/
  std::cout << std::setprecision(20);
  n91::main_();
  return 0;
}