#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin.tie(0);
  string str;
  map<char, int> mp;
  cin >> str;
  for (int i = 65; i <= 90; ++i) mp[i] = 0;
  int what = 0;
  for (int i = 0; i < 26; ++i) {
    if (str[i] == '?')
      ++what;
    else
      ++mp[str[i]];
  }
  int l = 0, r = 25;
  bool ok = false;
  while (r < str.size()) {
    int cnt = 0;
    for (auto x : mp) {
      if (x.second <= 1) cnt += x.second;
    }
    if (what + cnt == 26) {
      ok = true;
      break;
    }
    ++r, ++l;
    if (str[r] == '?')
      ++what;
    else
      ++mp[str[r]];
    if (str[l - 1] == '?')
      --what;
    else
      --mp[str[l - 1]];
  }
  if (ok) {
    vector<char> vec;
    for (auto x : mp) {
      if (x.second == 0) vec.push_back(x.first);
    }
    int indx = 0;
    for (int i = 0; i < str.size(); ++i) {
      if (str[i] == '?') {
        if (i >= l && i <= r) {
          cout << vec[indx];
          ++indx;
        } else
          cout << "A";
      } else
        cout << str[i];
    }
  } else
    cout << "-1\n";
  cout << "\n";
  return 0;
}
