求赞（题解）

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