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#include <bits/stdc++.h>
using namespace std;
int a[26], b[26], c[26];
int main() {
  string s, s1, s2;
  int m1 = INT_MAX, m2 = INT_MAX;
  cin >> s >> s1 >> s2;
  for (int i = 0; i < s.length(); i++) a[s[i] - 'a']++;
  for (int i = 0; i < s1.length(); i++) b[s1[i] - 'a']++;
  for (int i = 0; i < s2.length(); i++) c[s2[i] - 'a']++;
  for (int i = 0; i < 26; i++)
    if (b[i]) m1 = min(a[i] / b[i], m1);
  for (int i = 0; i < 26; i++) a[i] = a[i] - m1 * b[i];
  for (int i = 0; i < 26; i++)
    if (c[i]) m2 = min(a[i] / c[i], m2);
  for (int i = 0; i < 26; i++) a[i] = a[i] - m2 * c[i];
  for (int i = 0; i < m1; i++) cout << s1;
  for (int i = 0; i < m2; i++) cout << s2;
  for (int i = 0; i < 26; i++)
    if (a[i] > 0) cout << (char)(i + 'a'), a[i]--, i--;
  return 0;
}
