#include<bits/stdc++.h>

using namespace std;
int n,b[1005],ans=0;
struct stdem{
	int t;
	int m;
}a[10005];
bool cmp(int x,int y)
{
	return x.m>=y.m;
}
int main()
{
	cin>>n;
	for (int i=1;i<=n;i++)
	{
		cin>>a[i].t;
	}
	for (int i=1;i<=n;i++)
	{
		cin>>a[i].m;
	}
	sort(a+1,a+n+1,cmp);
	for (int i=1;i<=n;i++)
	{
		bool s=0;
		for (int j=a[i].t;j>=1;j--)
		{
			if(b[j]==0)
			{
				b[j]==1;
				s=1;
			}
		}
		if(s==1)
		{
			ans+=a[i].m;
		}
	}
	cout<<ans;
 }