题解

#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;
}