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#include <bits/stdc++.h>
using namespace std;
string a, b, c;
long long ca[26];
long long cb[26];
long long cc[26];
int main() {
  ios::sync_with_stdio(0);
  getline(cin, a);
  getline(cin, b);
  getline(cin, c);
  for (int i = 0; i < (int)a.size(); ++i) ca[a[i] - 'a']++;
  for (int i = 0; i < (int)b.size(); ++i) cb[b[i] - 'a']++;
  for (int i = 0; i < (int)c.size(); ++i) cc[c[i] - 'a']++;
  int ansb = 0;
  int ansc = 0;
  for (int i = 0; i < (int)a.size(); ++i) {
    bool can = 1;
    for (int j = 0; j < 26; ++j) {
      ca[j] -= i * cb[j];
      if (ca[j] < 0) can = 0;
    }
    if (can) {
      long long cnt = 1e9;
      for (int j = 0; j < 26; ++j)
        if (cc[j]) cnt = min(cnt, ca[j] / cc[j]);
      if (i + cnt > ansc + ansb) {
        ansb = i;
        ansc = cnt;
      }
    }
    for (int j = 0; j < 26; ++j) ca[j] += i * cb[j];
  }
  for (int j = 0; j < 26; ++j) {
    ca[j] -= ansb * cb[j];
    ca[j] -= ansc * cc[j];
  }
  for (int i = 0; i < ansc; ++i) printf("%s", c.c_str());
  for (int i = 0; i < ansb; ++i) printf("%s", b.c_str());
  for (int i = 0; i < 26; ++i) {
    for (int j = 0; j < ca[i]; ++j) printf("%c", (char)('a' + i));
  }
  return 0;
}
