import java.util.Scanner;

public class Task_2100 {
    public static void main(String[] args){
        Scanner scr1 = new Scanner(System.in);
        Scanner scr2 = new Scanner(System.in);

        int n, counter;
        n = scr1.nextInt();
        counter = n+2;
        while(n-- > 0){
            String guest = scr2.nextLine();
            String substring = "+";
            if(guest.contains(substring)){
                counter++;
            }
        }
        if(counter==13) {
            counter++;
        }
        System.out.print(counter*100);
    }
}