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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# Copyright © 2015 missingdays <missingdays@missingdays>
#
# Distributed under terms of the MIT license.

"""

"""
import string

def calc(s):
    a = [0 for i in range(26)]
    for c in s:
        a[string.ascii_lowercase.index(c)] += 1
    return a

def diff(a, b):
    c = [0 for i in range(26)]
    for i in range(len(a)):
        if b[i] != 0:
            if a[i] != 0:
                c[i] = a[i] // b [i]
            else:
                return 0
    m = 100001
    for i in range(len(c)):
        if c[i]!=0 and c[i]<m:
            m = c[i]
    if m == 100001:
        return 0
    return m

def sub_arr(a, b):
    for i in range(len(a)):
        a[i] -= b[i]
    return a

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

a_a = calc(a)
b_a = calc(b)
c_a = calc(c)

b_diff = diff(a_a,b_a)

f_string = []

for i in range(b_diff):
    f_string.append(b)
    a_a = sub_arr(a_a, b_a)

c_diff = diff(a_a,c_a)

for i in range(c_diff):
    f_string.append(c)
    a_a = sub_arr(a_a, c_a) 
for i in range(len(a_a)):
    f_string.append(string.ascii_lowercase[i]*a_a[i])
print(''.join(f_string))
