ti jie

#include<iostream>
#include<string>
#include<cmath>
using namespace std;
int main(){
double n,sum=8;
string s;
cin>>n>>s;
if(s=="y") sum+=5;
if(n>1000) sum+=ceil((n-1000)/500)*4; //csil指向上取整.
cout<<sum;
return 0;
}