#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=5e4+100;

ll n,a[MAXN],b[MAXN],c[MAXN];
ll dp[MAXN],x,y,ans;

int main(){
	freopen("mirror.in","r",stdin);
	freopen("mirror.out","w",stdout);
	scanf("%lld",&n);
	for (int i=1;i<=n;i++){
		scanf("%lld",a+i);
	}
	for (int i=1;i<=n;i++){
		scanf("%lld",b+i);
	}
	for (int i=1;i<=n;i++){
		scanf("%lld",c+i);
	}
	ans=0;
	for (int i=1;i<n;i++){
		if (c[i]){
			x=ans^a[i];
			y=ans^b[i];
			if (min(x^a[i+1],x^b[i+1])<min(y^a[i+1],y^b[i+1])){
				ans=y;
			}else{
				ans=x;
			}
		}else{
			x=ans^a[i];
			y=ans^b[i];
			if (min(x^a[i+1],x^b[i+1])<min(y^a[i+1],y^b[i+1])){
				ans=x;
			}else{
				ans=y;
			}
		}
	}
	if (c[n]){
		ans=max(ans^a[n],ans^b[n]);
	}else{
		ans=min(ans^a[n],ans^b[n]);
	}
	printf("%lld",ans);
	return 0;
}