题解

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