题解

#include <iostream>
#include <cmath>
using namespace std;
int main(){
    int n;
    char c;
    cin>>n>>c;
    int ans;
    if(n<=1000)ans=8;
    else ans=8+ceil((n-1000)/500.0)*4;
    if(c=='y')ans+=5;
    cout<<ans;
}