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#include <bits/stdc++.h>
using namespace std;
const double PI = acos(-1.0);
const double EPS = 1e-6;
char s[3][100005];
int cnt[3][26];
int len[3];
int GetMaxCount(int *remain, int *arr) {
  int res = ((1 << 30) - 1);
  for (int k = 0; k < 26; k++)
    if (arr[k] > 0) res = min(res, remain[k] / arr[k]);
  return res;
}
int main() {
  { ; };
  for (int k = 0; k < 3; k++) {
    gets(s[k]);
    len[k] = strlen(s[k]);
    for (int i = 0; i < len[k]; i++) cnt[k][s[k][i] - 'a']++;
  }
  int res = 0;
  pair<int, int> p = pair<int, int>(0, 0);
  int bMaxCount = GetMaxCount(cnt[0], cnt[1]);
  for (int bCount = 0; bCount <= bMaxCount; bCount++) {
    int remain[26];
    memmove(remain, cnt[0], sizeof(remain));
    for (int k = 0; k < 26; k++) remain[k] -= cnt[1][k] * bCount;
    int cCount = GetMaxCount(remain, cnt[2]);
    if (bCount + cCount > res) {
      res = bCount + cCount;
      p = pair<int, int>(bCount, cCount);
    }
  }
  int remain[26];
  memmove(remain, cnt[0], sizeof(remain));
  for (int k = 0; k < 26; k++)
    remain[k] -= cnt[1][k] * p.first + cnt[2][k] * p.second;
  for (int b = 0; b < p.first; b++) printf("%s", s[1]);
  for (int c = 0; c < p.second; c++) printf("%s", s[2]);
  for (int k = 0; k < 26; k++)
    for (int a = 0; a < remain[k]; a++) printf("%c", k + 'a');
  puts("");
  return 0;
}
