#include using namespace std;

bool is_related_to_seven(int num) { if (num % 7 == 0) { return true; } while (num > 0) { if (num % 10 == 7) { return true; } num /= 10; } return false; }

int sum_of_squares_not_related_to_seven(int n) { int result = 0; for (int i = 1; i <= n; i++) { if (!is_related_to_seven(i)) { result += i * i; } } return result; }

int main() { int n; cin >> n; cout << sum_of_squares_not_related_to_seven(n) << endl; return 0; }