#include using namespace std; int main() { int N; cin >> N; int count = 0; for (int i = 0; i <= N; ++i) { for (int j = 0; j <= N; ++j) { for (int k = 0; k <= N; ++k) { if (i != j && j != k && i != k && (i * 100 + j * 10 + k) % 2 != 0 && i != 0) { ++count; } } } } cout << count << endl; return 0; }