#include 
#include 
using namespace std;
const int max_=500000;
int tree_size[max_];
vector neig[max_];
int r(int node){
    tree_size[node] = 1;

    for(int i=0; i>n;
    for(int i=2; i<=n; i++){
        int clen;
        cin>>clen;
        neig[clen].push_back(i);
    }
    r(1);
    for(int i=1; i<=n; i++){
        cout<