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#include <bits/stdc++.h>
using namespace std;
vector<int> get(string str) {
  vector<int> res(26, 0);
  for (int i = 0; i < str.length(); i++) {
    res[str[i] - 'a']++;
  }
  return res;
}
int main() {
  string a, b, c;
  vector<int> A, B, C;
  while (cin >> a >> b >> c) {
    A = get(a);
    B = get(b);
    C = get(c);
    int mx = 0, c0 = 0, c1 = 0;
    int x = 0, y;
    int flag = 0;
    while (1) {
      y = -1;
      for (int i = 0; i < 26; i++) {
        if (B[i] * x > A[i]) {
          flag = 1;
          break;
        }
        if (!C[i]) continue;
        int delta = (A[i] - B[i] * x) / C[i];
        if (y == -1 || y > delta) y = delta;
      }
      if (flag) break;
      if (x + y > mx) {
        mx = x + y;
        c0 = x, c1 = y;
      }
      x++;
    }
    string ans = "";
    for (int i = 0; i < c0; i++) ans += b;
    for (int i = 0; i < c1; i++) ans += c;
    for (int i = 0; i < 26; i++) {
      int last = A[i] - B[i] * c0 - C[i] * c1;
      for (int j = 0; j < last; j++) ans += 'a' + i;
    }
    cout << ans << '\n';
  }
  return 0;
}
