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#include <bits/stdc++.h>
using namespace std;
string s[3];
int cnt[3][26];
string convert(int times[]) {
  string ans;
  for (int i = 1; i < 3; ++i) {
    for (int j = 0; j < times[i]; ++j) ans += s[i];
    for (int j = 0; j < 26; ++j) cnt[0][j] -= cnt[i][j] * times[i];
  }
  for (int i = 0; i < 26; ++i)
    for (int j = 0; j < cnt[0][i]; ++j) ans += i + 'a';
  return ans;
}
int main() {
  cin >> s[0] >> s[1] >> s[2];
  for (int i = 0; i < 3; ++i)
    for (int j = 0; j < s[i].size(); ++j) cnt[i][s[i][j] - 'a']++;
  int cost[26] = {};
  int best = 0, times[3] = {};
  for (int b = 0; b <= s[0].size(); ++b) {
    if (b != 0)
      for (int i = 0; i < 26; ++i) cost[i] += cnt[1][i];
    int left[26];
    bool too_much = false;
    for (int i = 0; i < 26; ++i) {
      left[i] = cnt[0][i] - cost[i];
      if (left[i] < 0) too_much = true;
    }
    if (too_much) break;
    int c = s[0].size();
    for (int i = 0; i < 26; ++i)
      if (cnt[2][i] != 0) c = min(c, left[i] / cnt[2][i]);
    if (b + c > best) {
      best = b + c;
      times[1] = b;
      times[2] = c;
    }
  }
  cout << convert(times) << '\n';
};
