#include <bits/stdc++.h>
using namespace std;
unsigned letter_frequency_t[26];
unsigned letter_frequency_s[26];
unsigned replacement_counts[26];
unsigned qcount;
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(0);
  string s, t, s1;
  cin >> s >> t;
  s1 = s;
  for (unsigned i = 0; i < s.length(); ++i) {
    if (s[i] != '?') {
      letter_frequency_s[s[i] - 'a']++;
    } else {
      qcount++;
    }
  }
  for (unsigned i = 0; i < t.length(); ++i) {
    letter_frequency_t[t[i] - 'a']++;
  }
  int offset = 0;
  while (offset + t.length() <= s.length()) {
    bool ok = true;
    for (unsigned i = 0; i < 26; ++i) {
      if (letter_frequency_s[i] < letter_frequency_t[i]) {
        int d = letter_frequency_t[i] - letter_frequency_s[i];
        if (d <= qcount) {
          letter_frequency_s[i] = 0;
          qcount -= d;
          replacement_counts[i] += d;
        } else {
          ok = false;
        }
      } else {
        letter_frequency_s[i] -= letter_frequency_t[i];
      }
    }
    if (!ok) {
      break;
    }
  }
  unsigned letter = 0;
  for (unsigned i = 0; i < s1.length(); ++i) {
    if (s1[i] == '?') {
      while (letter < 26 && replacement_counts[letter] == 0) {
        letter++;
      }
      if (letter < 26) {
        s1[i] = 'a' + letter;
        replacement_counts[letter]--;
      } else {
        s1[i] = 'z';
      }
    }
  }
  cout << s1 << endl;
}
