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#include <bits/stdc++.h>
using namespace std;
int f[26] = {0};
int match(string a) {
  int k = -1, x = a.size();
  for (int i = 0; i <= x - 1; i += 1) {
    if (f[a[i] - 'a'] == 0) {
      k = i;
      break;
    } else if (f[a[i] - 'a'] > 0) {
      f[a[i] - 'a']--;
    }
  }
  return k;
}
int main() {
  std::ios_base::sync_with_stdio(false);
  string a, b, c;
  int l, k = -1;
  cin >> a >> b >> c;
  l = a.size();
  for (int i = 0; i <= l - 1; i += 1) f[a[i] - 'a']++;
  k = match(b);
  while (k == -1) {
    cout << b;
    k = match(b);
  }
  for (int i = 0; i <= k - 1; i += 1) f[b[i] - 'a']++;
  k = match(c);
  while (k == -1) {
    cout << c;
    k = match(c);
  }
  for (int i = 1; i <= k - 1; i += 1) f[c[i] - 'a']++;
  for (int i = 0; i <= l - 1; i += 1) {
    while (f[a[i] - 'a'] > 0) {
      cout << a[i];
      f[a[i] - 'a']--;
    }
  }
  cout << endl;
  return 0;
}
