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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1E5 + 100, SIGMA = 26;
const int INF = 0x7fffffff;
char sa[MAXN], sb[MAXN], sc[MAXN];
int a[SIGMA], b[SIGMA], c[SIGMA];
void getCnt(int (&a)[SIGMA], char s[]) {
  memset(a, 0, sizeof(a));
  scanf("%s", s);
  for (char *p = s; *p; ++p) ++a[*p - 'a'];
}
int main() {
  getCnt(a, sa);
  getCnt(b, sb);
  getCnt(c, sc);
  int ansb = 0, ansc = 0;
  for (int i = 0; true; ++i) {
    bool flag = true;
    for (int j = 0; j < SIGMA; ++j)
      if (a[j] < b[j] * i) flag = false;
    if (!flag) break;
    int t = INF;
    for (int j = 0; j < SIGMA; ++j)
      t = min(t, c[j] == 0 ? INF : (a[j] - b[j] * i) / c[j]);
    if (ansb + ansc < i + t) {
      ansb = i;
      ansc = t;
    }
  }
  for (int i = 0; i < ansb; ++i) printf("%s", sb);
  for (int i = 0; i < ansc; ++i) printf("%s", sc);
  for (int i = 0; i < SIGMA; ++i)
    for (int j = a[i] - b[i] * ansb - c[i] * ansc; j; --j) putchar('a' + i);
  return 0;
}
