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import sys, bisect, heapq, math
sys.setrecursionlimit(10**9+7)
def fi(): return int(sys.stdin.readline())
def fi2(): return map(int, sys.stdin.readline().split())
def fi3(): return sys.stdin.readline().rstrip()
def fo(*args):
    for s in args: sys.stdout.write(str(s)+' ')
    sys.stdout.write('\n')
##    sys.stdout.flush()
def puts(*args):
    for s in args: sys.stdout.write(str(s))
OUT = []
def bfo(*args):
    for s in args: OUT.append(str(s)+' ')
    OUT.append('\n')
def bputs(*args):
    for s in args: OUT.append(str(s))        
def flush():
    sto = ''.join(OUT); fo(sto)
##
alpha = 'abcdefghijklmnopqrstuvwxyz'; mod = 10**9+7; inf = int(2e18+5) ; nax = 101010
##

def compress(s):
    d = {}
    for char in alpha:
        d[char] = 0
    for char in s:
        d[char] += 1
    return d

def check(k1):
    global a, s
    for char in alpha:
        if k1*a[char] > s[char]:
            return False
    return True

S = fi3()
A = fi3()
B = fi3()

s = compress(S)
a = compress(A)
b = compress(B)

res = K2 = K1 = 0

for k1 in range(nax):
    if check(k1):

        for char in alpha:
            s[char] -= k1*a[char]
        
        k2 = inf
        for char in alpha:
            if b[char] == 0:
                continue
            else:
                k2 = min(k2, s[char]/b[char])

        if k1+k2 > res:
            res = k1+k2
            K1 = k1
            K2 = k2

        for char in alpha:
            s[char] += k1*a[char]
    
    else:
        break


for char in alpha:
    s[char] -= (K1*a[char]+K2*b[char])

bputs(K1*A, K2*B)
for char in alpha:
    bputs(char*s[char])
bputs('\n')

flush()















