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#include <bits/stdc++.h>
using namespace std;
inline pair<int, string> solve(map<char, int> mp, const map<char, int>& frq1,
                               const string& str1, const map<char, int>& frq2,
                               const string& str2) {
  int k1 = 1e9, k2 = 1e9;
  string res;
  for (auto it : frq1) k1 = min(k1, mp[it.first] / it.second);
  for (auto it : frq1) mp[it.first] -= k1 * it.second;
  for (int i = 0; i < k1; ++i) res += str1;
  for (auto it : frq2) k2 = min(k2, mp[it.first] / it.second);
  for (auto it : frq2) mp[it.first] -= k2 * it.second;
  for (int i = 0; i < k2; ++i) res += str2;
  for (auto it : mp)
    for (int i = 0; i < it.second; ++i) res += it.first;
  return {k1 + k2, res};
}
int main() {
  string a, b, c;
  map<char, int> ma, mb, mc;
  cin >> a >> b >> c;
  for (char ch : a) ++ma[ch];
  for (char ch : b) ++mb[ch];
  for (char ch : c) ++mc[ch];
  auto p1 = solve(ma, mb, b, mc, c);
  auto p2 = solve(ma, mc, c, mb, b);
  cout << (p1.first > p2.first ? p1.second : p2.second) << endl;
  return 0;
}
