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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100100;
const int ALPHA = 26;
const int oo = 2 * MAXN;
int ord(char c) { return c - 'a'; }
char chr(int o) { return 'a' + o; }
string s[3];
int f[3][ALPHA], sol, sol_b, sol_c;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cin >> s[0] >> s[1] >> s[2];
  for (int k = 0; k < 3; k++)
    for (int i = 0; i < (int)s[k].length(); i++) f[k][ord(s[k][i])]++;
  sol = -1;
  int cant_b = 0;
  while (true) {
    bool ok = true;
    for (int i = 0; i < ALPHA; i++)
      if (cant_b * f[1][i] > f[0][i]) {
        ok = false;
        break;
      }
    if (!ok) break;
    int cant_c = oo;
    for (int i = 0; i < ALPHA; i++)
      if (f[2][i] > 0)
        cant_c = min(cant_c, (f[0][i] - cant_b * f[1][i]) / f[2][i]);
    if (sol < cant_b + cant_c) {
      sol = cant_b + cant_c;
      sol_b = cant_b;
      sol_c = cant_c;
    }
    cant_b++;
  }
  for (int i = 0; i < sol_b; i++) cout << s[1];
  for (int i = 0; i < sol_c; i++) cout << s[2];
  for (int i = 0; i < ALPHA; i++) {
    int left = f[0][i] - sol_b * f[1][i] - sol_c * f[2][i];
    for (int j = 0; j < left; j++) cout << chr(i);
  }
  cout << endl;
}
