#define _CRT_SECURE_NO_WARNINGS #include #include #include #include #include #include #include #include #include #include #include #include #include //#include "util.h" using namespace std; typedef long long ll; typedef unsigned long long ull; #define PI 3.14159265358979323846 #define EPS 1e-6 #define MIN(a,b) ((a)<(b)?(a):(b)) #define MAX(a,b) ((a)>(b)?(a):(b)) #define CHAR_BIT 8 template ostream& operator << (ostream& ostr, const vector<_Ty>& v) { if (v.empty()) { cout << "{ }"; return ostr; } cout << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; } int yuki0071() { ll N, x, y, MOD = 1000007; cin >> N; x = N / 2; y = N - x; x %= MOD; y %= MOD; cout << ((x + 1) * (y + 1) - 1) % MOD << endl; return 0; } int main() { //clock_t start, end; //start = clock(); yuki0071(); //end = clock(); //printf("%d msec.\n", end - start); return 0; }