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#include <bits/stdc++.h>
using namespace std;
int main() {
  string a, b, c;
  cin >> a >> b >> c;
  vector<long long int> chars_a(26);
  for (decltype((a).begin()) it = (a).begin(); it != (a).end(); ++it) {
    chars_a[(*it) - 'a']++;
  }
  vector<long long int> chars_b(26);
  for (decltype((b).begin()) it = (b).begin(); it != (b).end(); ++it) {
    chars_b[(*it) - 'a']++;
  }
  vector<long long int> chars_c(26);
  for (decltype((c).begin()) it = (c).begin(); it != (c).end(); ++it) {
    chars_c[(*it) - 'a']++;
  }
  vector<long long int> temp = chars_a;
  long long int count_b = 1000000;
  for (decltype(0) i = 0; i < 26; i++) {
    if (chars_b[i] != 0) count_b = min(count_b, (chars_a[i] / chars_b[i]));
  }
  count_b = (count_b == 1000000) ? 0 : count_b;
  for (decltype(0) i = 0; i < 26; i++) {
    temp[i] -= (count_b * chars_b[i]);
  }
  long long int count_c = 1000000;
  for (decltype(0) i = 0; i < 26; i++) {
    if (chars_c[i] != 0) count_c = min(count_c, (temp[i] / chars_c[i]));
  }
  count_c = (count_c == 1000000) ? 0 : count_c;
  for (decltype(0) i = 0; i < 26; i++) {
    temp[i] -= (count_c * chars_c[i]);
  }
  long long int final_count_b, final_count_c;
  vector<long long int> temp_final;
  final_count_b = count_b;
  final_count_c = count_c;
  temp_final = temp;
  string result;
  for (decltype(0) i = 0; i < final_count_b; i++) result += b;
  for (decltype(0) i = 0; i < final_count_c; i++) result += c;
  for (decltype(0) i = 0; i < 26; i++) {
    string str_temp(temp_final[i], i + 'a');
    result += str_temp;
  }
  cout << result << "\n";
  return 0;
}
