#include <iostream>
#include <string>
using namespace std;
int main()
{
    int n,g=2;
    cin >> n;
    for(int i = 0; i < n; i++)
    {
        string a;
        cin >> a;
        if(a.length() > 4 && a.substr(a.length()-4,a.length()-1) == "+one")
            g+=2;
        else
            g++;
    }
    if(g == 13)
        cout << 1400;
    else
        cout << g*100;
}