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



xa=[0]*150

xb=[0]*150
xc=[0]*150

alen=len(a)
blen=len(b)
clen=len(c)

for x in a:
	xa[ord(x)]+=1


for x in b:
        xb[ord(x)]+=1

for x in c:
        xc[ord(x)]+=1



ans=""
if(blen<=clen):
	while(1):
		flag=1
		for i in range(97,123):
			if(xa[i]<xb[i]):
				flag=0
		if(flag==0):
			break
		else:
			for i in range(97,123):	
				xa[i]-=xb[i]
			ans+=b
	while(1):
                flag=1
                for i in range(97,123):
                        if(xa[i]<xc[i]):
                                flag=0
                if(flag==0):
                        break
                else:
                        for i in range(97,123):
                                xa[i]-=xc[i]
                        ans+=c

	for i in range(97,123):
		ans=ans+chr(i)*xa[i]

	print ans
else:
        while(1):
                flag=1
                for i in range(97,123):
                        if(xa[i]<xc[i]):
                                flag=0
                if(flag==0):
                        break
                else:
                        for i in range(97,123):
                                xa[i]-=xc[i]
                        ans+=c
        while(1):
                flag=1
                for i in range(97,123):
                        if(xa[i]<xb[i]):
                                flag=0
                if(flag==0):
                        break
                else:
                        for i in range(97,123):
                                xa[i]-=xb[i]
                        ans+=b

        for i in range(97,123):
                ans=ans+chr(i)*xa[i]

        print ans
