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 radinestoaceefiijllmmnorv
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 stankaaaadeeeefghhiiiiilmmmmnnnnnoooopprrrrstttttvwyyy

import sys

a = sys.stdin.readline().strip()
b = sys.stdin.readline().strip()
c = sys.stdin.readline().strip()

alph = 'abcdefghijklmnopqrstuvwxyz'

t = {x: 0 for x in alph}
tb = {x: 0 for x in alph}
tc = {x: 0 for x in alph}

for x in a:
    t[x] += 1

for x in b:
    tb[x] += 1

for x in c:
    tc[x] += 1

bm = min([t[x] / tb[x] for x in b])
cm = min([t[x] / tc[x] for x in c])

sm = bm if bm > cm else cm
s = b if bm > cm else c
ts = tb if bm > cm else tc

#print 'NOW', s, sm

ans = ''

if sm > 0:
    ans += s * sm
    for x in s:
        t[x] -= sm * ts[x]

s = b if bm <= cm else c
ts = tb if bm <= cm else tc
sm = min([t[x] / ts[x] for x in s])
ts = tb if bm <= cm else tc

#print 'NOW', s, sm

if sm > 0:
    ans += s * sm
    for x in s:
        t[x] -= sm * ts[x]

for x in t:
    ans += x * t[x]

print ans
