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

def cnter(x):
    l=[0]*26
    for i in x:
        l[ord(i)-97]+=1
    return l

def chker(p,q):
    for i in range(26):
        if p[i]<q[i]:
            return 0
    return 1

def runner(p,q):
    for i in range(26):
        p[i]-=q[i]
    return p
        

cnta=cnter(a)
cntb=cnter(b)
cntc=cnter(c)
cnta2=cnta[:]
chk=[0]*4

while 1:
    if chker(cnta,cntb):
        cnta=runner(cnta,cntb)
        chk[0]+=1
    elif chker(cnta,cntc):
        cnta=runner(cnta,cntc)
        chk[1]+=1
    else:
        break

while 1:
    if chker(cnta2,cntc):
        cnta2=runner(cnta2,cntc)
        chk[3]+=1
    elif chker(cnta2,cntb):
        cnta2=runner(cnta2,cntb)
        chk[2]+=1
    else:
        break
if chk[0]+chk[1]>=chk[2]+chk[3]:
    w=b*chk[0]+c*chk[1]
    for i in range(26):
        if cnta[i]>0:
            w+=(chr(i+97))*cnta[i]
else:
    w=b*chk[2]+c*chk[3]
    for i in range(26):
        if cnta2[i]>0:
            w+=(chr(i+97))*cnta2[i]


print w