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#include <bits/stdc++.h>
int numa[26] = {0};
int numb[26] = {0};
int numc[26] = {0};
int min = 100000;
char a[100001];
char b[100001];
char c[100001];
void count(char *n, int *num) {
  int i = 0;
  while (n[i] != '\0') {
    num[n[i] - 97]++;
    i++;
  }
}
int main() {
  scanf("%s", a);
  scanf("%s", b);
  scanf("%s", c);
  count(a, numa);
  count(b, numb);
  count(c, numc);
  int i = 0;
  while (c[i] != '\0') {
    if (numc[c[i] - 97] <= numa[c[i] - 97]) {
      if (min > numa[c[i] - 97] / numc[c[i] - 97])
        min = numa[c[i] - 97] / numc[c[i] - 97];
    }
    if (numa[c[i] - 97] < numc[c[i] - 97]) {
      min = 0;
      break;
    }
    i++;
  }
  if (min != 100000) {
    i = 0;
    while (c[i] != '\0') {
      numa[c[i] - 97] -= min;
      i++;
    }
    for (i = 1; i <= min; i++) {
      printf("%s", c);
    }
  }
  i = 0;
  min = 100000;
  while (b[i] != '\0') {
    if (numb[b[i] - 97] <= numa[b[i] - 97]) {
      if (min > numa[b[i] - 97] / numb[b[i] - 97]) {
        min = numa[b[i] - 97] / numb[b[i] - 97];
      }
    }
    if (numa[b[i] - 97] < numb[b[i] - 97]) {
      min = 0;
      break;
    }
    i++;
  }
  if (min != 100000) {
    i = 0;
    while (b[i] != '\0') {
      numa[b[i] - 97] -= min;
      i++;
    }
    for (i = 1; i <= min; i++) {
      printf("%s", b);
    }
  }
  int j;
  for (i = 0; i < 26; i++) {
    for (j = 1; j <= numa[i]; j++) {
      printf("%c", i + 97);
    }
  }
}
