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#include <bits/stdc++.h>
using namespace std;
char s1[100500];
char s2[100500];
char s3[100500];
int n1, n2, n3;
int cnt1[26];
int cnt2[26];
int cnt3[26];
int main() {
  scanf("%s\n%s\n%s", s1, s2, s3);
  n1 = strlen(s1);
  n2 = strlen(s2);
  n3 = strlen(s3);
  for (int i = 0; i < 26; i++) {
    cnt1[i] = cnt2[i] = cnt3[i] = 0;
  }
  for (int i = 0; i < n1; i++) {
    cnt1[s1[i] - 'a']++;
  }
  for (int i = 0; i < n2; i++) {
    cnt2[s2[i] - 'a']++;
  }
  for (int i = 0; i < n3; i++) {
    cnt3[s3[i] - 'a']++;
  }
  int ans = 0;
  int fs = 0;
  for (int i = 1; i <= 100000; i++) {
    bool good = 1;
    for (int j = 0; j < 26; j++) {
      if (cnt1[j] - cnt2[j] < 0) {
        good = 0;
        break;
      }
    }
    if (!good) break;
    int a2 = 1 << 30;
    for (int j = 0; j < 26; j++) {
      if (cnt3[j] != 0) {
        a2 = min(a2, (cnt1[j] - cnt2[j]) / cnt3[j]);
      }
    }
    if (ans < i + a2) {
      ans = i + a2;
      fs = i;
    }
  }
  for (int i = 0; i < fs; i++) {
    printf("%s", s2);
  }
  for (int i = 0; i < ans - fs; i++) {
    printf("%s", s3);
  }
  for (int i = 0; i < 26; i++) {
    cnt1[i] -= cnt2[i] * fs + cnt3[i] * (ans - fs);
    for (int j = 0; j < cnt1[i]; j++) {
      printf("%c", char('a' + i));
    }
  }
  return 0;
}
