题解

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    char a;
    cin>>n>>a;
    if(a=='n'){
        if(n<=1000){
            cout<<"8";
        }else{
            if((n-1000)%500==0){
                cout<<8+(n-1000)/500*4;
            }else{
                cout<<8+((n-1000)/500+1)*4;
            }
        }
    }else if(a=='y'){
        if(n<=1000){
            cout<<8+5;
        }else{
            if((n-1000)%500==0){
                cout<<8+(n-1000)/500*4+5;
            }else{
                cout<<8+((n-1000)/500+1)*4+5;
            }
        }
    }
    return 0;
}