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#include <bits/stdc++.h>
using namespace std;
string s1, s2, s3;
map<char, int> m1, m2, m3;
int main() {
  cin >> s1 >> s2 >> s3;
  for (int x = 0; x < s1.size(); x++) m1[s1[x]]++;
  for (int x = 0; x < s2.size(); x++) m2[s2[x]]++;
  for (int x = 0; x < s3.size(); x++) m3[s3[x]]++;
  int fi = 9999999, z = 0;
  for (map<char, int>::iterator i = m2.begin(); i != m2.end(); i++) {
    fi = min(fi, m1[i->first] / i->second);
  }
  for (map<char, int>::iterator i = m2.begin(); i != m2.end(); i++) {
    m1[i->first] -= fi * (i->second);
  }
  for (int x = 0; x < fi; x++) {
    cout << s2;
  }
  fi = 9999999;
  for (map<char, int>::iterator i = m3.begin(); i != m3.end(); i++) {
    fi = min(fi, m1[i->first] / i->second);
  }
  for (map<char, int>::iterator i = m3.begin(); i != m3.end(); i++) {
    m1[i->first] -= fi * (i->second);
  }
  for (int x = 0; x < fi; x++) {
    cout << s3;
  }
  for (map<char, int>::iterator i = m1.begin(); i != m1.end(); i++) {
    for (int x = 0; x < i->second; x++) cout << i->first;
  }
  return 0;
}
