题解

#include <bits/stdc++.h>
using namespace std;
int main(){
int m;
char n;
cin>>m>>n;
if(n=='y'&&m>=1000&&m%500!=0){
m=((m-1000)/500+1)4+5+8;
}else if(n=='y'&&m>=1000){
m=(m-1000)/504+5+8;
}
else if(n=='n'&&m>=1000&&m%500!=0){
m=((m-1000)/500+1)*4+8;
}
else if(n=='n'&&m>=1000&&m){
m=((m-1000)/500)*4+8;
}
cout<<m;
return 0;
}