#include<iostream>
using namespace std;
const int N = 1E6;
int a[N+1];
int main()
{
	int n, k, h;
	cin >> n;
	for(int i=1; i<=n; i++)
	{
		cin >> k;
		a[i] = k;
	}
	cin >> h;
	while(h != 0)
	{
		cout << h << " ";
		h = a[h];
	}
	return 0;
}