#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N=2e5+5;
int n;
vector<int>G[N];
void dfs(int u,int fa){
	int a[5123];
	for(auto v:G[u]){
		dfs(v,u);
	}
}
signed main(){
	freopen("COW.in","r",stdin);
	freopen("COW.out","w",stdout);
	cin>>n;
	for(int i=1;i<=n;i++){
		int a;
		cin>>a;
		G[i].push_back(a);
	}
	dfs(1,1);
	
	
	return 0;
}