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#include <bits/stdc++.h>
using namespace std;
vector<int> toAlphaCount(const string& s) {
  vector<int> res(26, 0);
  for (char c : s) {
    ++res[c - 'a'];
  }
  return res;
}
int main() {
  string a, b, c;
  cin >> a >> b >> c;
  vector<int> cntA = toAlphaCount(a);
  vector<int> cntB = toAlphaCount(b);
  vector<int> cntC = toAlphaCount(c);
  int maxi = 0, maxiUseB = 0, maxiUseC = 0;
  for (int useB = 0;; useB++) {
    vector<int> rem = cntA;
    bool ok = true;
    for (int i = 0; i < cntB.size(); i++) {
      rem[i] -= cntB[i] * useB;
      if (rem[i] < 0) {
        ok = false;
        break;
      }
    }
    if (!ok) break;
    int useC = 1 << 25;
    for (int i = 0; i < cntC.size(); i++) {
      if (cntC[i] > 0) {
        useC = min(useC, rem[i] / cntC[i]);
      }
    }
    int cnt = useB + useC;
    if (cnt > maxi) {
      maxi = cnt;
      maxiUseB = useB;
      maxiUseC = useC;
    }
  }
  string res;
  for (int i = 0; i < maxiUseB; i++) res += b;
  for (int i = 0; i < maxiUseC; i++) res += c;
  for (int i = 0; i < cntA.size(); i++) {
    int rem = cntA[i] - cntB[i] * maxiUseB - cntC[i] * maxiUseC;
    res += string(rem, 'a' + i);
  }
  cout << res << endl;
  return 0;
}
