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a = raw_input()
b = raw_input()
c = raw_input()

da = {}
temp1 = list(set(list(a)))
temp1.sort()

db = {}
temp2 = list(set(list(b)))
temp2.sort

dc = {}
temp3 = list(set(list(c)))
temp3.sort

for i in temp1:
	da[i] = a.count(i)
for i in temp2:
	db[i] = b.count(i)
for i in temp3:
	dc[i] = c.count(i)

flag = False
countb = []
for i in db:
	if i in temp1:
		if db[i] <= da[i]:
			flag = True
			countb.append(da[i]/db[i])
		else:
			flag = False
			break
	else:
		flag = False
		break
if flag == True:
	countb = min(countb)
else:
	countb = 0

flag = False
countc = []
for i in dc:
	if i in temp1:
		if dc[i] <= da[i]:
			flag = True
			countc.append(da[i]/dc[i])
		else:
			flag = False
			break
	else:
		flag = False
		break
if flag == True:
	countc = min(countc)
else:
	countc = 0

common = list( set(temp2) & set(temp3) )

totcount = 0
if sorted(list(b)) == sorted(list(c)):
	totcount = countb
elif sorted(list(b)) != sorted(list(c)) and common == []:
	totcount = countb + countc
else:
	countcommon = []
	for i in common:
		countcommon.append(a.count(i))

	countcommon = min(countcommon)

	if countcommon >= countb + countc:
		totcount = countb + countc
	elif countb >= countc:
		countcommon -= countb
		countc = countcommon
	elif countc > countb:
		countcommon -= countc
		countb = countcommon

k = b*countb + c*countc
k = list(k)

for i in temp2:
	if i in list(a):
		da[i] -= db[i]*countb 
for i in temp3:
	if i in list(a):
		da[i] -= dc[i]*countc

for i in temp1:
	k.append(i*da[i])

print ''.join(k)