#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr ll MOD = 1000000007;
constexpr ll INF = 1050000000;
constexpr ll LONGINF = 1050000000000000000;
const int nCk_MAX = 510000;
struct all_init {
  all_init() {
    cout.tie(nullptr);
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(15);
  };
} ALL_INIT;
struct edge {
  int from, to;
  ll cost;
  ll capa;
  edge(int s, int d) : from(s), to(d) {
    cost = 0;
    capa = 0;
  }
  edge(int s, int d, ll w) : from(s), to(d), cost(w) { capa = 0; }
  edge(int s, int d, ll x, ll y) : from(s), to(d), cost(x), capa(y) {}
  bool operator<(const edge &x) const { return cost < x.cost; }
};
using graph = vector<vector<edge>>;
template <class T>
bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
template <class T>
bool chmin(T &a, const T &b) {
  if (b < a) {
    a = b;
    return true;
  }
  return false;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &Vec) {
  for (T &x : Vec) {
    is >> x;
  }
  return is;
}
template <typename V, typename H>
void resize(vector<V> &vec, const H head) {
  vec.resize(head);
}
template <typename V, typename H, typename... T>
void resize(vector<V> &vec, const H &head, const T... tail) {
  vec.resize(head);
  for (auto &v : vec) {
    resize(v, tail...);
  }
}
int dx[] = {0, 1, -1, 0, 1, -1, 1, -1};
int dy[] = {1, 0, 0, -1, 1, -1, -1, 1};
ll PowMod(ll n, ll k, ll mod) {
  ll r = 1;
  for (; k > 0; k >>= 1) {
    if (k & 1) {
      r = (r * n) % mod;
    }
    n = (n * n) % mod;
  }
  return r;
}
ll Gcd(ll a, ll b) { return b != 0 ? Gcd(b, a % b) : a; }
ll Lcm(ll a, ll b) { return a / Gcd(a, b) * b; }
vector<string> split(string s, string t) {
  vector<string> v;
  int p = s.find(t);
  if (p != s.npos) {
    v.push_back(s.substr(0, p));
    s = s.substr(p + t.size());
  }
  v.push_back(s);
  return v;
}
vector<int> Lis(const vector<int> &a) {
  const int n = a.size();
  vector<int> A(n, INF);
  vector<int> id(n);
  for (int i = 0; i < n; ++i) {
    id[i] = distance(A.begin(), upper_bound(A.begin(), A.end(), a[i]));
    A[id[i]] = a[i];
  }
  int m = *max_element(id.begin(), id.end());
  vector<int> b(m + 1);
  for (int i = n - 1; i >= 0; --i)
    if (id[i] == m) b[m--] = a[i];
  return b;
}
bool isPrime(ll n) {
  if (n < 2) return false;
  for (ll i = 2; i * i <= n; i++)
    if (!(n % i)) return false;
  return true;
}
ll MergeCount(vector<int> &a) {
  ll count = 0;
  int n = a.size();
  if (n > 1) {
    vector<int> b(a.begin(), a.begin() + n / 2);
    vector<int> c(a.begin() + n / 2, a.end());
    count += MergeCount(b);
    count += MergeCount(c);
    for (int i = 0, j = 0, k = 0; i < n; ++i)
      if (k == c.size())
        a[i] = b[j++];
      else if (j == b.size())
        a[i] = c[k++];
      else if (b[j] <= c[k])
        a[i] = b[j++];
      else {
        a[i] = c[k++];
        count += n / 2 - j;
      }
  }
  return count;
}
bool WarshallFloyd(vector<vector<ll>> &c) {
  int V = c.size();
  for (int i = 0; i < V; i++) {
    c[i][i] = 0;
  }
  for (int i = 0; i < V; i++) {
    for (int j = 0; j < V; j++) {
      for (int k = 0; k < V; k++) {
        if (c[j][k] > c[j][i] + c[i][k]) {
          c[j][k] = c[j][i] + c[i][k];
        }
      }
    }
  }
  for (int i = 0; i < V; i++) {
    if (c[i][i] < 0) {
      return false;
    }
  }
  return true;
}
vector<ll> Dijkstra(int i, vector<vector<edge>> graph) {
  int n = graph.size();
  vector<ll> d(n, LONGINF);
  d[i] = 0;
  priority_queue<pair<ll, int>, vector<pair<ll, int>>, greater<pair<ll, int>>>
      q;
  q.push(make_pair(0, i));
  while (!q.empty()) {
    pair<ll, int> p = q.top();
    q.pop();
    int v = p.second;
    if (d[v] < p.first) {
      continue;
    }
    for (auto x : graph[v]) {
      if (d[x.to] > d[v] + x.cost) {
        d[x.to] = d[v] + x.cost;
        q.push(make_pair(d[x.to], x.to));
      }
    }
  }
  return d;
}
bool BellmanFord(int start, int V, int E, vector<edge> Edge, vector<ll> &d) {
  resize(d, V);
  fill(d.begin(), d.end(), LONGINF);
  d[start] = 0;
  vector<bool> t(V, false);
  for (int i = 0; i < V - 1; i++) {
    for (int j = 0; j < E; j++) {
      edge e = Edge[j];
      if (d[e.from] == LONGINF) {
        continue;
      }
      if (d[e.to] > d[e.from] + e.cost) {
        d[e.to] = d[e.from] + e.cost;
      }
    }
  }
  for (int i = 0; i < V; i++) {
    for (int j = 0; j < E; j++) {
      edge e = Edge[j];
      if (d[e.from] == LONGINF) {
        continue;
      }
      if (d[e.to] > d[e.from] + e.cost) {
        d[e.to] = d[e.from] + e.cost;
        t[e.to] = true;
      }
      if (t[e.from]) {
        t[e.to] = true;
      }
    }
  }
  if (t[V - 1]) {
    return false;
  }
  return true;
}
bool TopologicalSort(const vector<vector<edge>> &g, vector<int> &ans) {
  int n = g.size(), k = 0;
  vector<int> ord(n), in(n);
  for (auto &es : g) {
    for (auto &e : es) {
      in[e.to]++;
    }
  }
  queue<int> q;
  for (int i = 0; i < n; ++i) {
    if (in[i] == 0) q.push(i);
  }
  while (!q.empty()) {
    int v = q.front();
    q.pop();
    ord[k++] = v;
    for (auto &e : g[v]) {
      if (--in[e.to] == 0) q.push(e.to);
    }
  }
  ans = ord;
  if (*max_element(in.begin(), in.end()) == 0) {
    return true;
  }
  return false;
}
vector<int> ArticulationNode(const vector<vector<edge>> &g) {
  int n = g.size(), idx;
  vector<int> low(n), ord(n), art;
  function<void(int)> DFS = [&](int v) {
    low[v] = ord[v] = ++idx;
    for (auto &e : g[v]) {
      int w = e.to;
      if (ord[w] == 0) {
        DFS(w);
        low[v] = min(low[v], low[w]);
        if ((ord[v] == 1 && ord[w] != 2) || (ord[v] != 1 && low[w] >= ord[v])) {
          art.push_back(v);
        }
      } else {
        low[v] = min(low[v], ord[w]);
      }
    }
  };
  for (int u = 0; u < n; u++) {
    if (ord[u] == 0) {
      idx = 0;
      DFS(u);
    }
  }
  sort(art.begin(), art.end());
  art.erase(unique(art.begin(), art.end()), art.end());
  return art;
}
vector<vector<edge>> to_roottree(const vector<vector<edge>> &g, int r) {
  int n = g.size();
  vector<vector<edge>> G(n);
  vector<int> ord(n, -1);
  queue<int> q;
  q.push(r);
  int k = 0;
  while (q.size()) {
    int u = q.front();
    q.pop();
    for (auto &e : g[u]) {
      int v = e.to;
      if (ord[v] == -1) {
        ord[v] = k;
        k++;
        q.push(v);
        G[u].emplace_back(e);
      }
    }
  }
  return G;
}
edge TreeDiameter(const vector<vector<edge>> &g) {
  int start = 0;
  static const auto bfs = [](const vector<vector<edge>> &g, int s,
                             queue<int> &q, vector<ll> &dist) {
    while (!q.empty()) {
      q.pop();
    }
    q.push(s);
    int n = g.size();
    dist.assign(n, LONGINF);
    dist[s] = 0;
    while (q.size()) {
      int u = q.front();
      q.pop();
      for (auto &e : g[u]) {
        int v = e.to;
        if (dist[v] == LONGINF) {
          dist[v] = dist[u] + e.cost;
          q.push(v);
        }
      }
    }
    return dist;
  };
  vector<ll> dist;
  queue<int> q;
  bfs(g, start, q, dist);
  int n = g.size(), u = -1, v = -1;
  for (int i = 0; i < n; i++)
    if (dist[i] != LONGINF && (u == -1 || dist[i] > dist[u])) u = i;
  bfs(g, u, q, dist);
  for (int i = 0; i < n; i++)
    if (dist[i] != LONGINF && (v == -1 || dist[i] > dist[v])) v = i;
  ll d = dist[v];
  if (u > v) swap(u, v);
  return edge(u, v, d);
}
void add_edge(vector<vector<edge>> &g, int a, int b, ll cost, ll cap) {
  g[a].emplace_back(a, b, cost, cap);
  g[b].emplace_back(b, a, cost, cap);
}
class UnionFind {
 private:
  std::vector<int> parent;
  std::vector<int> height;
  std::vector<int> m_size;
  int forest_num;

 public:
  UnionFind(int size_) : parent(size_), height(size_, 0), m_size(size_, 1) {
    forest_num = size_;
    for (int i = 0; i < size_; ++i) parent[i] = i;
  }
  void init(int size_) {
    parent.resize(size_);
    height.resize(size_, 0);
    m_size.resize(size_, 1);
    forest_num = size_;
    for (int i = 0; i < size_; ++i) parent[i] = i;
  }
  int find(int x) {
    if (parent[x] == x) return x;
    return parent[x] = find(parent[x]);
  }
  void unite(int x, int y) {
    x = find(x);
    y = find(y);
    if (x == y) return;
    int t = size(x) + size(y);
    m_size[x] = m_size[y] = t;
    if (height[x] < height[y])
      parent[x] = y;
    else
      parent[y] = x;
    if (height[x] == height[y]) ++height[x];
    forest_num--;
  }
  bool same(int x, int y) { return find(x) == find(y); }
  int size(int x) {
    if (parent[x] == x) return m_size[x];
    return size(parent[x] = find(parent[x]));
  }
  int forest() { return forest_num; }
};
class Dinic {
 private:
  int n, s, t;
  vector<int> level, prog, que;
  vector<vector<ll>> cap, flow;
  vector<vector<int>> g;
  ll inf;

 public:
  Dinic(const vector<vector<edge>> &graph)
      : n(graph.size()),
        cap(n, vector<ll>(n)),
        flow(n, vector<ll>(n)),
        g(n, vector<int>()),
        inf(LONGINF) {
    for (int i = 0; i < n; i++) {
      for (auto &e : graph[i]) {
        int u = e.from, v = e.to;
        ll c = e.capa;
        cap[u][v] += c;
        cap[v][u] += c;
        flow[v][u] += c;
        g[u].push_back(v);
        g[v].push_back(u);
      }
    }
  }
  inline ll residue(int u, int v) { return cap[u][v] - flow[u][v]; }
  ll solve(int s_, int t_) {
    this->t = t_, this->s = s_;
    que.resize(n + 1);
    ll res = 0;
    while (levelize()) {
      prog.assign(n, 0);
      res += augment(s, inf);
    }
    return res;
  }
  bool levelize() {
    int l = 0, r = 0;
    level.assign(n, -1);
    level[s] = 0;
    que[r++] = s;
    while (l != r) {
      int v = que[l++];
      if (v == t) break;
      for (const int &d : g[v])
        if (level[d] == -1 && residue(v, d) != 0) {
          level[d] = level[v] + 1;
          que[r++] = d;
        }
    }
    return level[t] != -1;
  }
  ll augment(int v, ll lim) {
    ll res = 0;
    if (v == t) return lim;
    for (int &i = prog[v]; i < (int)g[v].size(); i++) {
      const int &d = g[v][i];
      if (residue(v, d) == 0 || level[v] >= level[d]) continue;
      const ll aug = augment(d, min(lim, residue(v, d)));
      flow[v][d] += aug;
      flow[d][v] -= aug;
      res += aug;
      lim -= aug;
      if (lim == 0) break;
    }
    return res;
  }
};
class MinimumCostFlow {
 private:
  using Flow = ll;
  using Cost = ll;
  struct Edge {
    int d;
    Flow c, f;
    Cost w;
    int r, is_r;
    Edge(int d_, Flow c_, Flow f_, Cost w_, int r_, bool is_r_)
        : d(d_), c(c_), f(f_), w(w_), r(r_), is_r(is_r_) {}
  };
  int n;
  vector<vector<Edge>> g;

 public:
  MinimumCostFlow(int n_) : n(n_), g(vector<vector<Edge>>(n_)) {}
  void add_edge(int src, int dst, Flow cap, Cost cost) {
    int rsrc = g[dst].size();
    int rdst = g[src].size();
    g[src].emplace_back(dst, cap, 0, cost, rsrc, false);
    g[dst].emplace_back(src, cap, cap, -cost, rdst, true);
  }
  Cost solve(int s, int t, Flow f) {
    Cost res = 0;
    vector<Cost> h(n + 10), dist(n);
    vector<int> prevv(n + 10), preve(n + 10);
    using pcv = pair<Cost, int>;
    priority_queue<pcv, vector<pcv>, greater<pcv>> q;
    fill(h.begin(), h.end(), 0);
    while (f > 0) {
      fill(dist.begin(), dist.end(), LONGINF);
      dist[s] = 0;
      q.emplace(0, s);
      while (q.size()) {
        Cost cd;
        int v;
        tie(cd, v) = q.top();
        q.pop();
        if (dist[v] < cd) continue;
        for (int i = 0; i < (int)(g[v].size()); ++i) {
          Edge &e = g[v][i];
          if (residue(e) == 0) continue;
          if (dist[e.d] + h[e.d] > cd + h[v] + e.w) {
            dist[e.d] = dist[v] + e.w + h[v] - h[e.d];
            prevv[e.d] = v;
            preve[e.d] = i;
            q.emplace(dist[e.d], e.d);
          }
        }
      }
      if (dist[t] == LONGINF) return -1;
      for (int i = 0; i < n; ++i) h[i] += dist[i];
      Flow d = f;
      for (int v = t; v != s; v = prevv[v]) {
        chmin(d, residue(g[prevv[v]][preve[v]]));
      }
      f -= d;
      res += d * h[t];
      for (int v = t; v != s; v = prevv[v]) {
        Edge &e = g[prevv[v]][preve[v]];
        e.f += d;
        g[v][e.r].f -= d;
      }
    }
    return res;
  }
  Flow residue(const Edge &e) { return e.c - e.f; }
  void show() {
    for (int i = 0; i < n; ++i) {
      for (int j = 0; j < (int)(g[i].size()); ++j) {
        Edge &e = g[i][j];
        if (e.is_r) continue;
        cout << i << "->" << e.d << "(flow:" << e.f << ")" << endl;
      }
    }
  }
};
class BipartiteMatching {
 private:
  int V;
  vector<int> match;
  vector<bool> used;
  vector<vector<int>> g;
  vector<pair<int, int>> match_pair;
  bool dfs(int v) {
    used[v] = true;
    for (int i = 0; i < (int)g[v].size(); i++) {
      int u = g[v][i];
      int w = match[u];
      if (w < 0 || !used[w] && dfs(w)) {
        match[v] = u;
        match[u] = v;
        match_pair.emplace_back(make_pair(u, v));
        return true;
      }
    }
    return false;
  }

 public:
  BipartiteMatching(int n) {
    V = n;
    resize(match, n);
    resize(used, n);
    resize(g, n);
  }
  void add_edge(int u, int v) {
    g[u].emplace_back(v);
    g[v].emplace_back(u);
  }
  int MatchingSolve() {
    int res = 0;
    fill(match.begin(), match.end(), -1);
    for (int v = 0; v < V; v++) {
      if (match[v] < 0) {
        fill(used.begin(), used.end(), false);
        if (dfs(v)) {
          res++;
        }
      }
    }
    return res;
  }
  vector<pair<int, int>> get_pair() {
    for (auto x : match_pair) {
      cout << x.first << "  " << x.second << endl;
    }
    return match_pair;
  }
};
class Lca {
 private:
  int n;
  int log2_n;
  vector<vector<int>> parent;
  vector<int> depth;
  void dfs(const vector<vector<edge>> &g, int v, int p, int d) {
    parent[0][v] = p;
    depth[v] = d;
    for (auto &e : g[v]) {
      if (e.to != p) {
        dfs(g, e.to, v, d + 1);
      }
    }
  }

 public:
  Lca(const vector<vector<edge>> &g, int root) {
    n = g.size();
    log2_n = (int)log2(n) + 1;
    resize(parent, log2_n, n);
    resize(depth, n);
    dfs(g, root, -1, 0);
    for (int k = 0; k + 1 < log2_n; k++) {
      for (int v = 0; v < (int)g.size(); v++) {
        if (parent[k][v] < 0) {
          parent[k + 1][v] = -1;
        } else {
          parent[k + 1][v] = parent[k][parent[k][v]];
        }
      }
    }
  }
  int get_lca(int u, int v) {
    if (depth[u] > depth[v]) {
      swap(u, v);
    }
    for (int k = 0; k < log2_n; k++) {
      if ((depth[v] - depth[u]) >> k & 1) {
        v = parent[k][v];
      }
    }
    if (u == v) {
      return u;
    }
    for (int k = log2_n - 1; k >= 0; k--) {
      if (parent[k][u] != parent[k][v]) {
        u = parent[k][u];
        v = parent[k][v];
      }
    }
    return parent[0][u];
  }
  int get_depth(int v) { return depth[v]; }
};
int main() {
  ll n;
  cin >> n;
  set<pair<int, int>> s;
  for (int i = 0; i <= n; i++) {
    for (int j = 0; j <= n; j++) {
      if (i + j <= n) {
        s.insert(make_pair(i ^ j, i + j));
      }
    }
  }
  cout << s.size() << endl;
  return 0;
}
