题解

#include<iostream>
using namespace std;
int main(){
    int n,sum=0;
    char c;
    cin>>n>>c;
    if(c=='y'){
        sum+=5;
    }
    sum+=8;
    if(n>1000){
        n-=1000;
        if(n%500==0){
            sum+=n/500*4;
        }else{
            sum+=n/500*4+4;
        }
    }
    cout<<sum;
}