#include<iostream>
#include<cstring>
#include<cstdio>
#include<algorithm>
using namespace std;

struct task
{
    int t,v;
}a[1005];
int n,vis[1005] = {0};

bool cmp(task x,task y)
{
    return x.v > y.v;
}
int main()
{
    scanf("%d",&n);
    int t = 0,sum = 0,ans = 0;
    for(int i = 1;i <= n;i++)
    {
        scanf("%d",&a[i].t);
        t = max(a[i].t,t);
    }
    for(int i = 1;i <= n;i++)
    {
        scanf("%d",&a[i].v);
        sum += a[i].v;
    }
    sort(a+1,a+1+n,cmp);
    for(int i = t;i >= 1;i--)
    {
        for(int j = 1;j <= n;j++)
        {
            if(!vis[j] && i <= a[j].t)
            {
                ans += a[j].v;
                vis[j] = 1;
                break;
            }
        }
    }
    printf("%d\n",sum-ans);
    return 0;
}