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#include <bits/stdc++.h>
using namespace std;
long long ac[256];
long long bc[256];
long long cc[256];
long long ta[256];
long long cb, ck, answ;
char b[100001], c[100001];
long long inc(long long *const p, const char *s) {
  long long i = 0;
  while (s[i]) ++p[s[i++]];
  return i;
}
long long test_c(void) {
  long long m = 1000000000000007;
  for (register long long i = 0; i < 256; ++i)
    if (cc[i]) m = min(ac[i] / cc[i], m);
  return m;
}
void save_a(void) { memcpy(ta, ac, sizeof(ac)); }
void restor(void) { memcpy(ac, ta, sizeof(ac)); }
bool dec(void) {
  for (register long long i = 0; i < 256; ++i)
    if (ac[i] < bc[i]) return false;
  for (register long long i = 0; i < 256; ++i) ac[i] -= bc[i];
  return true;
}
void dec_c(void) {
  for (register long long i = 0; i < 256; ++i) ac[i] -= cc[i] * ck;
}
int main() {
  scanf("%s", b);
  long long ln = inc(ac, b);
  scanf("%s", b);
  scanf("%s", c);
  inc(bc, b);
  inc(cc, c);
  for (register long long i = 0; i <= ln; ++i) {
    long long cck = test_c();
    if (answ < i + cck) answ = i + cck, cb = i, ck = cck, save_a();
    if (!dec()) break;
  }
  if (answ) restor();
  dec_c();
  for (register long long i = 0; i < cb; ++i) printf("%s", b);
  for (register long long i = 0; i < ck; ++i) printf("%s", c);
  for (register long long i = 0; i < 256; ++i)
    for (register long long j = 0; j < ac[i]; ++j) putc(i, stdout);
  putc('\n', stdout);
  return 0;
}
