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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from collections import Counter
from random import randint as rd


total = lambda x: sum(x[k] for k in x.keys())
puede = lambda x: sum(
    1 if (fa[k] > 0 and fa[k] >= x[k]) else 0 for k in x.keys()) == len(x.keys())

a = raw_input()
fa = Counter(a)
b = raw_input()
fb = Counter(b)
tb = total(fb)
c = raw_input()
fc = Counter(c)
tc = total(fc)

# print a, fa
# print b, fb, tb
# print c, fc, tc

falta = fa - fb - fc
l = len(b) + len(c)
s = ''
if b + c != a[:l]:
    if puede(fb):
        s += b
        fa -= fb
    if puede(fc):
        s += c
        fa -= fc
else:
    if puede(fc):
        s += c
        fa -= fc
    if puede(fb):
        s += b
        fa -= fb


if tb < tc:
    while puede(fb):
        # print '\t', fa
        s += b
        fa -= fb
    while puede(fc):
        s += c
        fa -= fc
elif tc <= tb:
    while puede(fc):
        s += c
        fa -= fc
    while puede(fb):
        s += b
        fa -= fb

while total(fa) > 0:
    r = rd(0, 10)
    for k in fa.keys():
        if fa[k] > 0:
            if r >= 5:
                if s + k * fa[k] != a:
                    s += k * fa[k]
                else:
                    s = k * fa[k] + s
            else:
                if k * fa[k] + s != a:
                    s = k * fa[k] + s
                else:
                    s += k * fa[k]
            fa[k] = 0

if Counter(s) == Counter(a):
    print s
else:
    print 'fallo', s
