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#include <bits/stdc++.h>
using namespace std;
int letterea[26];
int lettereb[26];
int letterec[26];
string a, b, c;
bool B, C;
int i, j;
int lb, lc;
void caso1() {
  while (1) {
    B = true;
    for (i = 0; i < 26; i++)
      if (letterea[i] < lettereb[i]) B = false;
    if (B) {
      for (i = 0; i < 26; i++) letterea[i] -= lettereb[i];
      cout << b;
    }
    if (!B) break;
  }
  while (1) {
    C = true;
    for (i = 0; i < 26; i++)
      if (letterea[i] < letterec[i]) C = false;
    if (C) {
      for (i = 0; i < 26; i++) letterea[i] -= letterec[i];
      cout << c;
    }
    if (!C) break;
  }
  for (i = 0; i < 26; i++)
    for (j = letterea[i]; j > 0; j--) cout << (char)(i + 97);
}
void caso2() {
  while (1) {
    C = true;
    for (i = 0; i < 26; i++)
      if (letterea[i] < letterec[i]) C = false;
    if (C) {
      for (i = 0; i < 26; i++) letterea[i] -= letterec[i];
      cout << c;
    }
    if (!C) break;
  }
  while (1) {
    B = true;
    for (i = 0; i < 26; i++)
      if (letterea[i] < lettereb[i]) B = false;
    if (B) {
      for (i = 0; i < 26; i++) letterea[i] -= lettereb[i];
      cout << b;
    }
    if (!B) break;
  }
  for (i = 0; i < 26; i++)
    for (j = letterea[i]; j > 0; j--) cout << (char)(i + 97);
}
int main() {
  cin >> a >> b >> c;
  lb = a.length();
  lc = b.length();
  for (i = 0; a[i] != '\0'; i++) letterea[a[i] - 97]++;
  for (i = 0; b[i] != '\0'; i++) lettereb[b[i] - 97]++;
  for (i = 0; c[i] != '\0'; i++) letterec[c[i] - 97]++;
  if (lb < lc)
    caso1();
  else
    caso2();
  return 0;
}
