加油！

#include<bits/stdc++.h>
using namespace std;
int main(){
int x,a=8;
char c;
cin>>x>>c;
if(x>1000){
x-=1000;
a=a+(x/500)*4;
if(x%500!=0){
a+=4;
}
}
if(c=='y'){
a+=5;
}
cout<<a;
return 0;