#include<iostream>
#include<stdlib.h>
using namespace std;
short n;
short t;
short k;
/*struct gan
{
	short time;
	short pro;
	short need;
};
gan x[100];*/
short time[105];
short pro[105];
short need[105];
short input[105][30005];
short p[105][105];
short compare(const void *p1,const void *p2)
{
	short temp1=*(short *)p1;
	short temp2=*(short *)p2;
	return temp1-temp2;
}
short get(short a,short b)
{
	if(a>=0&&a<n&&b>=0&&b<=k) return p[b][a];
	else return 0;
}
void tian(short a,short b,short now)
{
	short dt;
	if(now==0) dt=time[now];
	else dt=time[now]-time[now-1];
	short max=0;
	for(short count=b-dt;count<=b+dt;count++)
	{
		if(get(a-1,count)>max) max=get(a-1,count);
	}
	p[b][a]=max+input[b][time[now]];
}
int main()
{
	cin>>n>>k>>t;
	for(short count=0;count<n;count++) cin>>time[count];
	for(short count2=0;count2<n;count2++) cin>>pro[count2];
	for(short count3=0;count3<n;count3++) cin>>need[count3];
	//qsort(x,n,sizeof(struct gan),compare);
	//hebing();
	memset(input,0,sizeof(input));
	for(short count4=0;count4<n;count4++)
	{
		input[need[count4]][time[count4]]+=pro[count4];
	}
	qsort(time,n,sizeof(short),compare);
	short a=0;
	for(short count5=0;count5<n;count5++)
	{
		if(count5!=0&&time[count5]==time[count5-1])
		{
			continue;
		}
		else
		{
			for(short count6=0;count6<=k;count6++)
			{
				tian(a,count6,count5);
			}
			a++;
		}
	}
	short max=0;
	/*
	for(short tiao2=0;tiao2<=k;tiao2++)
	{
		for(short tiao1=0;tiao1<a;tiao1++)
			cout<<p[tiao2][tiao1]<<" ";
		cout<<endl;
	}
	*/
	for(short count7=0;count7<=k;count7++)
	{
		if(p[count7][a-1]>max) max=p[count7][a-1];
	}
	cout<<max;
	return 0;
}