#include #define rep(i, a, n) for(int i = a; i < n; i++) #define REP(i, n) rep(i, 0, n) #define repb(i, a, b) for(int i = a; i >= b; i--) #define all(a) a.begin(), a.end() #define int long long #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) using namespace std; typedef pair P; const int mod = 1000000007; const int INF = 1e12; map mp; int f(int n){ if(mp[n] != 0) return mp[n]; if(n == 0) return mp[0] = 1; return mp[n] = f(n / 3) + f(n / 5); } signed main(){ ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; cout << f(n) << endl; }