int n,t,k,a,b[32],c[32];
ll d[32],e[32];
{
	b[0..30]=-1;
	rd(n,*b);
	rep(n){
		rep(j,31){
			c[j]=b[j]; b[j]=-1;
			e[j]=d[j]; d[j]=0;
		}
		rd(a);
		rep(j,31){
			if(c[j]>=0){
				t=c[j]&a;
				k=BIT_popcount(t);
				b[k]=t;
				d[k]>?=e[j]+c[j]-t;
				t=c[j]|a;
				k=BIT_popcount(t);
				b[k]=t;
				d[k]>?=e[j]-c[j]+t;
			}
		}
	}
	wt(max(d(31)));
}