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#include <bits/stdc++.h>
using namespace std;
char s[4][100005];
int n[5], p[4][27], ans, vans, vf, tans;
int main() {
  int i, j, m;
  for (i = 1; i <= 3; i++) {
    scanf("%s", s[i] + 1);
    n[i] = strlen(s[i] + 1);
  }
  for (i = 1; i <= 3; i++) {
    for (j = 1; j <= n[i]; j++) {
      p[i][s[i][j] - 'a']++;
    }
  }
  for (i = 0; i <= 100000; i++) {
    vans = 100000;
    for (j = 0; j < 26; j++) {
      if ((p[1][j] - p[2][j] * i) < 0) {
        vf = 1;
        break;
      }
      if (p[3][j] != 0) vans = min(vans, (p[1][j] - p[2][j] * i) / p[3][j]);
    }
    if (vf) break;
    if (ans < vans + i) {
      ans = vans + i;
      tans = i;
    }
  }
  for (i = 1; i <= tans; i++) {
    printf("%s", s[2] + 1);
  }
  for (i = 1; i <= ans - tans; i++) {
    printf("%s", s[3] + 1);
  }
  for (i = 0; i < 26; i++) {
    p[1][i] -= tans * p[2][i] + (ans - tans) * p[3][i];
  }
  for (i = 0; i < 26; i++) {
    while (p[1][i]) {
      printf("%c", i + 'a');
      p[1][i]--;
    }
  }
  printf("\n");
  return 0;
}
