#include using namespace std; int main(){ int N; while (cin >> N) { int score; if (N <= 10) { score = N * 6; }
else if (N <= 20) { score = 10 * 6 + (N - 10) * 2; } else if (N <= 40) { score = 10 * 6 + 10 * 2 + (N - 20) * 1; } else { score = 100; } cout << score << endl; } return 0; }