#include <iostream> #include <algorithm> #include <iomanip> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <bitset> static const int MOD = 1000007; using ll = int64_t; using u32 = uint32_t; using namespace std; template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; int main() { ll n; cin >> n; ll a = n/2%MOD, b = (n-a)%MOD; cout << ((a+1)*(b+1)+MOD-1)%MOD << "\n"; return 0; }