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A = raw_input()
B = raw_input()
C = raw_input()

mapc = {}
mapa = {}
mapb = {}

for k in A:
	if not k in mapa:
		mapa[k] = 1
	else:
		mapa[k] += 1

for k in B:
	if not k in mapb:
		mapb[k] = 1
	else:
		mapb[k] += 1

vetb = []
for k in mapb:
	if k not in mapa:
		vetb = [-100000000]
		break
	vetb.append(mapa[k]/mapb[k])

for k in C:
	if not k in mapc:
		mapc[k] = 1
	else:
		mapc[k] += 1
		
vetc = []

for k in mapc:
	if k not in mapa:
		vetc = [-100000000]
		break
	vetc.append(mapa[k]/mapc[k])
	
if min(vetb) < min(vetc):
	B, C =  C, B
	mapb, mapc = mapc, mapb
	vetb, vetc = vetc, vetb

mineta = max(min( vetb), min(vetc))
conc = ""

if vetb[0] != -100000000:
	for k in B:
		
		mapa[k] -= mineta* mapb[k] 


	conc += mineta * B

mineta = []

if vetc[0] != -100000000:


	for k in C:
		mineta.append(mapa[k]/ mapc[k])

	mineta = min(mineta)

	for k in C:
		mapa[k] -= mineta* mapc[k] 

	conc += mineta * C

for k in mapa:
	if mapa[k] > 0:
		conc += k * mapa[k]

print conc
