#include using namespace std; #define rep(i,j,n) for(int i=j;i pi; template using vt = vector; template using vvt = vector>; i64 gcd(i64 n, i64 m) {return (m == 0? n : gcd(m, n % m));} i64 lcd(i64 n, i64 m) {return (n / gcd(n, m) * m);} int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; map dp; i64 dfs(i64 i) { if(dp.count(i)) return dp[i]; return dp[i] = dfs(i / 3) + dfs(i / 5); } int main() { cin.tie(0); ios::sync_with_stdio(false); i64 n; cin >> n; dp[0] = 1; cout << dfs(n) << endl; }