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#include <bits/stdc++.h>
using namespace std;
const int inf = 2e9;
const int N = 201010;
string a, b, c;
int cnta[N], cntb[N], cntc[N];
int main() {
  cin >> a;
  cin >> b;
  cin >> c;
  int na = a.length();
  int nb = b.length();
  int nc = c.length();
  for (int i = 0; i < na; i++) cnta[a[i] - 'a']++;
  for (int i = 0; i < nb; i++) cntb[b[i] - 'a']++;
  for (int i = 0; i < nc; i++) cntc[c[i] - 'a']++;
  int ans = 0, val1 = -1, val2 = -1;
  for (int i = 0; i < na / nb; i++) {
    bool f = true;
    int j = inf;
    for (int k = 0; k < 26; k++)
      if (i * cntb[k] > cnta[k])
        f = false;
      else {
        if (cntc[k] != 0) j = min(j, (cnta[k] - i * cntb[k]) / cntc[k]);
      }
    if (!f) break;
    if (i + j > ans) {
      ans = i + j;
      val1 = i;
      val2 = j;
    }
  }
  string t = "";
  for (int i = 0; i < val1; i++)
    for (int j = 0; j < nb; j++) {
      cnta[b[j] - 'a']--;
      t += b[j];
    }
  for (int i = 0; i < val2; i++)
    for (int j = 0; j < nc; j++) {
      cnta[c[j] - 'a']--;
      t += c[j];
    }
  for (char c1 = 'a'; c1 <= 'z'; c1++)
    for (int i = 0; i < cnta[c1 - 'a']; i++) t += c1;
  cout << t;
  return 0;
}
