//Bài 1
#include <bits/stdc++.h>

using namespace std;
int n, s = 0;
int main() {
    cin >> n;
    if (n == 1) s = s + 15000;
    else if (n <= 5) s = s + 15000 + (n - 1) * 13500;
    else s = s + 15000 + 4 * 13500 + (n - 5) * 11000;
    cout << s;
    return 0;
}
//Bài 2
#include <bits/stdc++.h>

using namespace std;
double n;
int main() {
    cin >> n;
    if (n < 5.0) cout << "Yeu";
    else if (5.0 <= n && n <= 6.9) cout << "Trung Binh";
    else if (7.0 <= n && n <= 8.4) cout << "Kha";
    else cout << "Gioi";
    return 0;
}
//Bài 3
#include <bits/stdc++.h>

using namespace std;
int n;
long long t = 0;
int main() {
    cin >> n;
    if (n <= 50) t = t + n * 1000;
    else if (n <= 100) t = t + 50 * 1000 + (100 - 50) * 1200;
    else if (n <= 200) t = t + 50 * 1000 + 50 * 1200 + (200 - n) * 1500;
    else t = t + 50 * 1000 + 50 * 1200 + 100 * 1500 + (n - 200) * 2000;
    cout << t;
    return 0;
}