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#include <bits/stdc++.h>
using namespace std;
int aa[26], bb[26], cc[26];
int main() {
  string a, b, c;
  cin >> a >> b >> c;
  for (int i = 0; i < a.size(); i++) {
    int x = a[i] - 'a';
    aa[x]++;
  }
  for (int i = 0; i < b.size(); i++) {
    int x = b[i] - 'a';
    bb[x]++;
  }
  for (int i = 0; i < c.size(); i++) {
    int x = c[i] - 'a';
    cc[x]++;
  }
  bool sb = 1, sc = 1;
  int mn_b = 10000000, mn_c = 10000000;
  for (int i = 0; i < b.size(); i++) {
    int x = b[i] - 'a';
    mn_b = min(mn_b, (aa[x] / bb[x]));
    if (mn_b == 0) {
      sb = 0;
    }
  }
  if (sb) {
    for (int i = 0; i < mn_b; i++) {
      for (int j = 0; j < 26; j++) {
        aa[j] -= bb[j];
      }
      cout << b;
    }
  }
  for (int i = 0; i < c.size(); i++) {
    int x = c[i] - 'a';
    mn_c = min(mn_c, (aa[x] / cc[x]));
    if (mn_c == 0) {
      sc = 0;
    }
  }
  if (sc) {
    for (int i = 0; i < mn_c; i++) {
      for (int j = 0; j < 26; j++) {
        aa[j] -= cc[j];
      }
      cout << c;
    }
  }
  for (int i = 0; i < 26; i++) {
    while (aa[i] > 0) {
      cout << (char)('a' + i);
      aa[i]--;
    }
  }
  return 0;
}
