#include <iostream>
#include <string.h>
using namespace std;
int main() {
int n;
cin >> n;
int cnt = n + 2;
for(int i = 1; i <= n; i++) {
char nume[21];
cin >> nume;
int lg = strlen(nume);
if(nume[lg - 1] == 'e' && nume[lg - 2] == 'n' && nume[lg - 3] == 'o' && nume[lg - 4] == '+')
cnt++;
}
if(cnt == 13)
cnt++;
cout << cnt * 100;
return 0;
}
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