#include <bits/stdc++.h>
using namespace std;
string s;
long long int ptr[27];
long long int freq[27][27];
long long int cnt[27];
long long int ans[27];
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> s;
  for (int i = 0; i < s.length(); i++) {
    for (int j = 1; j <= 26; j++) {
      freq[j][s[i] - 'a']++;
      if (freq[j][s[i] - 'a'] == 1) cnt[j]++;
    }
    for (int j = 1; j <= 26; j++) {
      while (cnt[j] > j) {
        freq[j][s[ptr[j]] - 'a']--;
        if (freq[j][s[ptr[j]] - 'a'] == 0) cnt[j]--;
        ptr[j]++;
      }
    }
    ans[1] += i - ptr[1] + 1;
    for (int j = 2; j <= 26; j++) {
      if (cnt[j]) {
        ans[j] += ptr[j - 1] - ptr[j];
      }
    }
  }
  for (int i = 26; i >= 1; i--)
    if (ans[i]) {
      cout << i << '\n';
      break;
    }
  for (int i = 1; i <= 26 && ans[i]; i++) cout << ans[i] << '\n';
  return 0;
}
