package main

import . "fmt"
import . "os"
import bf "bufio"
import . "slices"

func main() {
	rd:=bf.NewReader(Stdin)
	var n int
	Fscan(rd,&n)
	a:=make([]int,n)
	for i:=range a {
		Fscan(rd,&a[i])
	}
	for i,v:=range a {
		Fscan(rd,&a[i])
		a[i] = a[i]^v
	}
	a = Compact(a)
	var ans int
	for _,v:= range a {
		ans+=v
	}
	Println(ans)
}