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#include <bits/stdc++.h>
using namespace std;
struct __s {
  __s() {
    if (1) {
      ios_base::Init i;
      cin.sync_with_stdio(0);
      cin.tie(0);
    }
  }
  ~__s() {
    if (!1)
      fprintf(stderr, "Execution time: %.3lf s.\n",
              (double)clock() / CLOCKS_PER_SEC);
    long long n;
    cin >> n;
  }
} __S;
vector<long long> aa, bb, cc;
vector<long long> f(string x) {
  vector<long long> res(26);
  for (long long i = 0; i < (long long)(x.size()); i++) {
    res[x[i] - 'a']++;
  }
  return res;
}
long long check(long long x) {
  long long res = 100000;
  for (long long i = 0; i < (long long)(26); i++) {
    if (aa[i] < bb[i] * x) return 0;
    if (cc[i] != 0) res = min(res, x + (aa[i] - bb[i] * x) / cc[i]);
  }
  return res;
}
int main(void) {
  string a, b, c;
  cin >> a >> b >> c;
  aa = f(a);
  bb = f(b);
  cc = f(c);
  long long res = 0;
  long long ans = 0;
  for (long long i = 0; i <= 100000; i++) {
    long long r = check(i);
    if (ans < r) {
      ans = r;
      res = i;
    }
  }
  for (long long i = 0; i < (long long)(res); i++) {
    cout << b;
  }
  ans -= res;
  for (long long i = 0; i < (long long)(ans); i++) {
    cout << c;
  }
  for (long long i = 0; i < (long long)(26); i++) {
    long long n = aa[i] - res * bb[i] - ans * cc[i];
    for (long long j = 0; j < (long long)(n); j++) cout << (char)(i + 'a');
  }
  cout << '\n';
  return 0;
}
