#include<bits/stdc++.h>
using namespace std;

int n,a[500010],b[500010];
int cnt,ans;

template<typename T>
inline void read(T &a){
	T x = 0, f = 1;
	char c = getchar();
	while(c<'0' || c>'9'){
		if(c == '-') f = -f;
		c = getchar();
	}
	while(c>='0' && c<='9'){
		x = (x<<3) + (x<<1) + (c-'0');
		c = getchar();
	}
	a = x * f;
}

int main(){
	read(n);
	for(int i = 1; i <= n; i++) read(a[i]);
	for(int i = 1; i <= n; i++) read(b[i]);
	
	for(int i = 1; i <= n; i++)
		if(a[i] != b[i] && a[i] == b[n-i+1]) cnt++;
	
	if(cnt > n/2){
		reverse(a+1, a+1+n);
		ans++;
	} 
	for(int i = 1; i <= n; i++)
		if(a[i] != b[i]) ans++;
	cout<<ans;
	
	return 0;
}