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#include <bits/stdc++.h>
using namespace std;
char a[100400], b[100400], c[100400];
int aa[30], bb[30], cc[30];
int main() {
  cin >> a >> b >> c;
  memset(aa, 0, sizeof(aa));
  memset(bb, 0, sizeof(bb));
  memset(cc, 0, sizeof(cc));
  for (int i = 0; i < strlen(a); i++) aa[a[i] - 'a']++;
  for (int i = 0; i < strlen(b); i++) bb[b[i] - 'a']++;
  for (int i = 0; i < strlen(c); i++) cc[c[i] - 'a']++;
  int countb = 0;
  int countc = 0;
  while (true) {
    bool flag = 0;
    for (int i = 0; i < strlen(b); i++)
      if (aa[b[i] - 'a'] < bb[b[i] - 'a']) flag = 1;
    if (flag) break;
    for (int i = 0; i < strlen(b); i++) aa[b[i] - 'a'] -= bb[b[i] - 'a'];
    countb++;
  }
  while (true) {
    bool flag = 0;
    for (int i = 0; i < strlen(c); i++)
      if (aa[c[i] - 'a'] < cc[c[i] - 'a']) flag = 1;
    if (flag) break;
    for (int i = 0; i < strlen(c); i++) aa[c[i] - 'a'] -= cc[c[i] - 'a'];
    countc++;
  }
  for (int i = 0; i < countb; i++) cout << b;
  for (int i = 0; i < countc; i++) cout << c;
  for (int i = 0; i < 30; i++)
    if (aa[i])
      for (int j = 0; j < aa[i]; j++) cout << char(97 + i);
  return 0;
}
