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#include <bits/stdc++.h>
using namespace std;
int freqA[26], freqB[26], freqC[26];
char a[100005], b[100005], c[100005];
void count(int *freq, char *d) {
  memset(freq, 0, sizeof(freq));
  for (int i = 0; i < strlen(d); i++) {
    freq[(d[i] - 'a')]++;
  }
}
int main() {
  scanf("%s%s%s", a, b, c);
  count(freqA, a);
  count(freqB, b);
  count(freqC, c);
  int mx = -1;
  int f = 0;
  ;
  while (true) {
    bool flag = true;
    for (int i = 0; i < 26; i++) {
      if (freqB[i] > 0) {
        if (freqB[i] * f > freqA[i]) {
          flag = false;
          break;
        }
      }
    }
    int m = 1e5 + 5;
    for (int i = 0; i < 26; i++) {
      if (freqC[i] > 0) m = min(m, (freqA[i] - (freqB[i] * f)) / freqC[i]);
    }
    if (!flag) {
      f--;
      mx = max(m + f, mx);
      break;
    }
    mx = max(m + f, mx);
    f++;
  }
  for (int i = 0; i < f; i++) {
    printf("%s", b);
  }
  for (int i = 0; i < mx - f; i++) {
    printf("%s", c);
  }
  for (int i = 0; i < 26; i++) {
    if (freqA[i] > 0) {
      freqA[i] -= (freqB[i] * f + freqC[i] * (mx - f));
      for (int j = 0; j < freqA[i]; j++) {
        printf("%c", char(i + 'a'));
      }
    }
  }
  return 0;
}
