#include <iostream>
using namespace std;

int main ()
{
	int n, p[10005], c[10005];
	cin >> n;
	for (int i = 2;i <= n;i++)
	{
		cin >> p[i];
	}
	for (int i = 1;i <= n;i++)
	{
		cin >> c[i];
	}
	
	int ans = 1, nowColor[10005];
	for (int i = 1;i <= n;i++)
	{
		nowColor[i] = c[1];
	}
	for (int i = 2;i <= n;i++)
	{
		if (nowColor[p[i]] != c[i])
		{
			ans++;
		}
		nowColor[i] = c[i];
	}
	cout << ans << endl;
	return 0;
 }