#include <bits/stdc++.h>
using namespace std;
int freq[30], output[30];
int freq2[30];
int main() {
  int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q;
  string A, B, C;
  cin >> A >> B;
  memset(freq, 0, sizeof(freq));
  c = 0;
  for (i = 0; i < A.length(); i++) {
    if (A[i] == '?')
      c++;
    else
      freq[A[i] - 96]++;
  }
  memset(freq2, 0, sizeof(freq2));
  for (i = 0; i < B.length(); i++) {
    freq2[B[i] - 96]++;
  }
  d = 1;
  memset(output, 0, sizeof(output));
  output[26] = 1000000000;
  while (d) {
    for (j = 1; j <= 26; j++) {
      if (freq[j] >= freq2[j])
        freq[j] -= freq2[j];
      else if (freq[j] + c >= freq2[j]) {
        c -= freq2[j] - freq[j];
        output[j] += freq2[j] - freq[j];
        freq[j] = 0;
      } else {
        d = 0;
        break;
      }
    }
  }
  for (i = 0, j = 1; i < A.length(); i++) {
    if (A[i] == '?') {
      for (; j <= 26; j++) {
        if (output[j]) {
          printf("%c", j + 96);
          output[j]--;
          break;
        }
      }
    } else {
      printf("%c", A[i]);
    }
  }
  printf("\n");
  return 0;
}
