#include <iostream>
#include <string>

int main() {
    int n, gCount = 2;
    std::cin >> n;
    std::string guest;

    while (n--) {
        std::cin >> guest;
        gCount++;
        if (guest.find("+one", 0) != std::string::npos) gCount++;
    }
    if (gCount == 13) gCount++;
    std::cout << gCount * 100 << std::endl;

    return 0;
}