#include <bits/stdc++.h>
namespace ringo {
template <class T>
inline void read(T &x) {
  x = 0;
  register char c = getchar();
  register bool f = 0;
  while (!isdigit(c)) f ^= c == '-', c = getchar();
  while (isdigit(c)) x = x * 10 + c - '0', c = getchar();
  if (f) x = -x;
}
template <class T>
inline void print(T x) {
  if (x < 0) putchar('-'), x = -x;
  if (x > 9) print(x / 10);
  putchar('0' + x % 10);
}
template <class T>
inline void print(T x, char c) {
  print(x), putchar(c);
}
const int N = 1e5 + 10;
int n, p, siz[N], ans[N];
std::vector<int> son[N];
void dfs(int u) {
  siz[u] = 1;
  for (auto v : son[u]) {
    dfs(v);
    siz[u] += siz[v];
    ans[u] += ans[v];
  }
  if (siz[u] == 1) ans[u] = 1;
}
void main() {
  read(n);
  for (int i = 2; i <= n; i++) {
    read(p);
    son[p].push_back(i);
  }
  dfs(1);
  std::sort(ans + 1, ans + n + 1);
  for (int i = 1; i <= n; i++) print(ans[i], " \n"[i == n]);
}
}  // namespace ringo
signed main() { return ringo::main(), 0; }
