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# from sys import stdin,stdout
# input = stdin.readline
a=input()
b=input()
c=input()

h1=[0]*26
for i in range(len(a)):
	h1[ord(a[i])-97]+=1

h2=[0]*26
for i in range(len(b)):
	h2[ord(b[i])-97]+=1

h3=[0]*26
for i in range(len(c)):
	h3[ord(c[i])-97]+=1
ans=""

def check(h1,h2):
	for i in range(26):
		if(h2[i]>h1[i] and h2[i]!=0):
			return False
	return True

# print(h1)
# print(h2)
# print(h3)
# print(check(h1,h2))
while(len(ans)<len(a)):
	# print(h1)
	if(len(b)<len(c)):
		# print("yes")
		if(check(h1,h2)):
			# print("yes")
			ans=ans+b
			for i in range(26):
				h1[i]-=h2[i]
		elif(check(h1,h3)):
			ans=ans+c
			for i in range(26):
				h1[i]-=h3[i]
		else:
			for i in range(26):
				ans=ans+h1[i]*chr(i+97)

	else:
		if(check(h1,h3)):
			ans=ans+c
			for i in range(26):
				h1[i]-=h3[i]
		elif(check(h1,h2)):
			ans=ans+b
			for i in range(26):
				h1[i]-=h2[i]
		else:
			for i in range(26):
				ans=ans+h1[i]*chr(i+97)
	# print(check(h1,h2))
	# print(ans)
print(ans)
