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#include <bits/stdc++.h>
using namespace std;
const int N = 100010;
char a[N], b[N], c[N];
int fa[26], fb[26], fc[26];
int main() {
  scanf("%s %s %s", a, b, c);
  for (int i = 0; a[i]; i++) fa[a[i] - 'a']++;
  for (int i = 0; b[i]; i++) fb[b[i] - 'a']++;
  for (int i = 0; c[i]; i++) fc[c[i] - 'a']++;
  while (true) {
    int bx = INT_MAX, cx = INT_MAX;
    for (int i = 0; i < 26; i++) {
      if (!fb[i]) continue;
      bx = min(bx, fa[i] / fb[i]);
    }
    for (int i = 0; i < 26; i++) {
      if (!fc[i]) continue;
      cx = min(cx, fa[i] / fc[i]);
    }
    if (!bx && !cx) break;
    if (bx > cx) {
      for (int i = 0; b[i]; i++) {
        printf("%c", b[i]);
        fa[b[i] - 'a']--;
      }
    } else {
      for (int i = 0; c[i]; i++) {
        printf("%c", c[i]);
        fa[c[i] - 'a']--;
      }
    }
  }
  for (int i = 0; i < 26; i++)
    while (fa[i]--) printf("%c", i + 'a');
  return 0;
}
