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# -*- coding: utf-8 -*-
from collections import deque

a = input()
b = input()
c = input()

cnt = {}
chr = 'abcdefghijklmnopqrstuvwxyz'
for ch in chr:
    cnt[ch] = 0

for ch in a:
    cnt[ch] += 1
    
cnt_s = cnt
ans = 0
res1 = ''

while True:
    br = False
    cur_cnt = cnt
    for ch in b:
        if cur_cnt[ch] == 0:
            br = True
        else:
            cur_cnt[ch] -= 1
    if not br:
        ans += 1
        res1 += b
        cnt = cur_cnt
    else:
        break
    
while True:
    br = False
    cur_cnt = cnt
    for ch in c:
        if cur_cnt[ch] == 0:
            br = True
        else:
            cur_cnt[ch] -= 1
    if not br:
        ans += 1
        res1 += c
        cnt = cur_cnt
    else:
        break
    
for ch in chr:
    for i in range(cnt[ch]):
        res1 += ch
    
ans2 = 0
res2 = ''
cnt = cnt_s

while True:
    br = False
    cur_cnt = cnt
    for ch in c:
        if cur_cnt[ch] == 0:
            br = True
        else:
            cur_cnt[ch] -= 1
    if not br:
        ans2 += 1
        res2 += c
        cnt = cur_cnt
    else:
        break
    
while True:
    br = False
    cur_cnt = cnt
    for ch in b:
        if cur_cnt[ch] == 0:
            br = True
        else:
            cur_cnt[ch] -= 1
    if not br:
        ans2 += 1
        res2 += b
        cnt = cur_cnt
    else:
        break
    
for ch in chr:
    for i in range(cnt[ch]):
        res2 += ch
        
if ans > ans2:
    print(res1)
else:
    print(res2)