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



```cpp
#include<iostream>
using namespace std;
    int main(){
        int money;
        char yn;
        cin>>money>>yn;
        if(yn=='y'&&money>=1000&&money%500!=0){
            money=((money-1000)/500+1)*4+5+8;
        }
        else if(yn=='y'&&money>=1000){
            money=(money-1000)/50*4+5+8;
        }
         else if(yn=='n'&&money>=1000&&money%500!=0){
            money=((money-1000)/500+1)*4+8;
        }
        else if(yn=='n'&&money>=1000&&money){
            money=((money-1000)/500)*4+8;
        }
        cout<<money;
        return 0;
    }

```


题解

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