#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
    char name[20];
    int N;
    scanf("%d", &N);
    int cost=200;
    int $=0;
    for(int i=0; i<N; i++)
    {
        scanf("%s", name);
        if(name[strlen(name)-4]=='+'&&name[strlen(name)-3]=='o'&&name[strlen(name)-2]=='n'&&name[strlen(name)-1]=='e')
        {
            cost=cost+200;
        }
        else
        {
            cost=cost+100;
        }
    }
    $=$+cost;
    if($==1300)
    {
        $=$+100;
    }
    printf("%d", $);
    return 0;
}