#include <stdio.h>

#define MAX 10000
#define NIL -1

typedef struct {
	int parent, left, right;
} Node;

Node T[MAX];
int n, D[MAX], H[MAX];

void setDepth(int u,int d) {
  if(u == NIL) return;
  D[u] = d;
  setDepth(T[u].left, d+1);
  setDepth(T[u].right,d+1);
}

int setHeight(int u) {
  int h1 = 0, h2 = 0;
  if(T[u].left != NIL)
    h1 = setHeight(T[u].left)  + 1;
  if(T[u].right != NIL)
    h2 = setHeight(T[u].right) + 1;
  return H[u] = (h1 > h2 ? h1 : h2);
}

// 接点 u の兄弟を返す
int getSibling(int u) {
  if(T[u].parent == NIL) return NIL;
  if(T[T[u].parent].left != u && T[T[u].parent].left != NIL )
    return T[T[u].parent].left;
  if(T[T[u].parent].right != u && T[T[u].parent].right != NIL )
    return T[T[u].parent].right;
  return NIL;
}

void print(int u) {
  int deg = 0;
  printf("node %d: ",u);
  printf("parent = %d, ",T[u].parent);
  printf("sibling = %d, ",getSibling(u));
  if(T[u].left  != NIL) deg++;
  if(T[u].right != NIL) deg++;
  printf("degree = %d, ",deg);
  printf("depth = %d, ",D[u]);
  printf("height = %d, ",H[u]);
  
  if(T[u].parent == NIL) {
    printf("root\n");
  } else if(T[u].left == NIL && T[u].right == NIL) {
    printf("leaf\n");
  } else {
    printf("internal node\n");
  }
}

int main(void) {
  int i, v, l, r, root = 0;
  scanf("%d",&n);
  for(i=0;i<n;i++) T[i].parent = NIL;
  for(i=0;i<n;i++) {
    scanf("%d %d %d",&v,&l,&r);
    T[v].left  = l;
    T[v].right = r;
    if(l != NIL) T[l].parent = v;
    if(r != NIL) T[r].parent = v;
  }
  
  for(i=0; i<n; i++)
  if(T[i].parent == NIL) root = i;
  
  setDepth(root,0);
  setHeight(root);
  
  for(i=0;i<n;i++) print(i);
  
  return 0;
}

/*
9
0 1 4
1 2 3
2 -1 -1
3 -1 -1
4 5 8
5 6 7
6 -1 -1
7 -1 -1
8 -1 -1
*/
