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#include <bits/stdc++.h>
using namespace std;
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  string s;
  string a, b;
  cin >> s >> a >> b;
  long long n = s.length();
  long long s1[26];
  long long a1[26], b1[26];
  memset(s1, 0, sizeof(s1));
  memset(a1, 0, sizeof(a1));
  memset(b1, 0, sizeof(b1));
  string ans = "";
  for (long long i = 0; i < n; i++) s1[s[i] - 'a']++;
  for (long long i = 0; i < a.length(); i++) a1[a[i] - 'a']++;
  for (long long i = 0; i < b.length(); i++) b1[b[i] - 'a']++;
  while (1) {
    bool chk = 1;
    for (long long i = 0; i < 26; i++) {
      if (s1[i] < a1[i]) chk = 0;
    }
    if (chk) {
      for (long long i = 0; i < 26; i++) s1[i] -= a1[i];
      ans += a;
      continue;
    }
    chk = 1;
    for (long long i = 0; i < 26; i++) {
      if (s1[i] < b1[i]) chk = 0;
    }
    if (chk) {
      for (long long i = 0; i < 26; i++) s1[i] -= b1[i];
      ans += b;
      continue;
    }
    break;
  }
  for (long long i = 0; i < 26; i++) {
    while (s1[i]) ans += char(i + 'a'), s1[i]--;
  }
  cout << ans;
}
