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#include <bits/stdc++.h>
using namespace std;
int main() {
  string a, b, c;
  while (cin >> a >> b >> c) {
    string k;
    int j = 0;
    for (int i = 0; i < a.size(); i++) {
      if (j == b.size()) {
        break;
      } else {
        if (a[i] == b[j]) {
          k.push_back(a[i]);
          a.erase(a.begin() + i);
          i = 0;
          j++;
        }
      }
    }
    j = 0;
    for (int i = 0; i < a.size(); i++) {
      if (j == c.size()) {
        break;
      } else {
        if (a[i] == c[j]) {
          k.push_back(a[i]);
          a.erase(a.begin() + i);
          i = 0;
          j++;
        }
      }
    }
    bool kirito = 1;
    while (kirito) {
      kirito = 0;
      j = 0;
      for (int i = 0; i < a.size(); i++) {
        if (j == b.size()) {
          break;
        } else {
          if (a[i] == b[j]) {
            kirito = 1;
            k.push_back(a[i]);
            a.erase(a.begin() + i);
            i = 0;
            j++;
          }
        }
      }
    }
    kirito = 1;
    while (kirito) {
      kirito = 0;
      j = 0;
      for (int i = 0; i < a.size(); i++) {
        if (j == c.size()) {
          break;
        } else {
          if (a[i] == c[j]) {
            kirito = 1;
            k.push_back(a[i]);
            a.erase(a.begin() + i);
            i = 0;
            j++;
          }
        }
      }
    }
    for (int i = 0; i < a.size(); i++) {
      k.push_back(a[i]);
    }
    cout << k << "\n";
  }
}
