#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; using P = pair; constexpr int INF = 1001001001; constexpr int mod = 1000000007; // constexpr int mod = 998244353; template inline bool chmax(T& x, T y){ if(x < y){ x = y; return true; } return false; } template inline bool chmin(T& x, T y){ if(x > y){ x = y; return true; } return false; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); ll N; cin >> N; map dp; auto func = [&](auto&& self, ll i) -> ll { if(dp.find(i) != dp.end()) return dp[i]; if(i == 0) return dp[0] = 1; return dp[i] = self(self, i / 3) + self(self, i / 5); }; cout << func(func, N) << endl; return 0; }