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#include <bits/stdc++.h>
const int INF = 0x3f3f3f;
const int MAX = 100005;
using namespace std;
int a[30], b[30], c[30];
char c1[MAX], c2[MAX], c3[MAX];
char ch;
int main() {
  int I = 0;
  while (~scanf("%c", &ch)) {
    c1[I++] = ch;
    if (ch == '\n') break;
    a[ch - 'a']++;
  }
  I = 0;
  while (~scanf("%c", &ch)) {
    c2[I++] = ch;
    if (ch == '\n') break;
    b[ch - 'a']++;
  }
  I = 0;
  while (~scanf("%c", &ch)) {
    c3[I++] = ch;
    if (ch == '\n') break;
    c[ch - 'a']++;
  }
  int m = INF;
  for (int i = 0; i < 26; i++) {
    if (b[i] == 0) continue;
    m = min(m, a[i] / b[i]);
  }
  int ans = 0, ans1 = 0, ans2 = 0;
  for (int i = 0; i <= m; i++) {
    int n = INF;
    for (int j = 0; j < 26; j++) {
      if (c[j] == 0) continue;
      n = min(n, (a[j] - i * b[j]) / c[j]);
    }
    if (ans < n + i) {
      ans1 = i;
      ans2 = n;
      ans = n + i;
    }
  }
  for (int i = 0; i < 26; i++) {
    a[i] -= (b[i] * ans1 + c[i] * ans2);
  }
  while (ans1--) {
    for (int i = 0; c2[i] != '\n'; i++) {
      printf("%c", c2[i]);
    }
  }
  while (ans2--) {
    for (int i = 0; c3[i] != '\n'; i++) {
      printf("%c", c3[i]);
    }
  }
  for (int i = 0; i < 26; i++) {
    for (int j = 0; j < a[i]; j++) {
      printf("%c", 'a' + i);
    }
  }
  return 0;
}
