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takotakotakotakotakoaaaaaaaaaaaaaaaaaaaaaabddddddddddddddddddeffffffffffffffffffghhhhhhhhhiiiiiiiiijjjjjloooooooooooooooooppppprrrssssssssssssssssssssstttttttttttuuu
 siaaaaddddeeeehklmnoorstt
 ohohgodabceeeiinnooprsssttty
 odiadeeiikmstuvx
 ododhelbeilnnor
 kanbbeeeeiiikllortuuvyy
 deluz
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 sinesineaaaaaaaaabccddhiiiiiijjjjjkkkklnooooooooprrssstttttuvvv
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 radinestoaceefiijllmmnorv
 ojojzdravaaaabbdeeiklmprstuuv
 stankaaaadeeeefghhiiiiilmmmmnnnnnoooopprrrrstttttvwyyy

from string import ascii_lowercase

class CantSubstract(Exception):
    pass

def s_to_v(s):

    return [s.count(al) for al in ascii_lowercase]

def substract(vb,vs):

    answer = [i-j for i,j in zip(vb,vs)]

    if all(ai >=0 for ai in answer):
        return answer
    else:
        raise CantSubstract
def sumv(vb,vs):
    return [i+j for i,j in zip(vb,vs)]

def max_count(vb,vs):
    flagn=True
    n=0
    vp=vb
    while flagn:
        try:
            vp=vb
            vp=substract(vp,vs)
            vb=vp
            n+=1
        except CantSubstract:
            flagn=False

    return n,vb



def main():

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

    va= s_to_v(a)
    vb= s_to_v(b)
    vc= s_to_v(c)

    mcb,vmb=max_count(va,vb)
    mcc,vmc=max_count(va,vc)

    if mcb>mcc:
        vn=vc
        vx=vb
        xs=b
        ns=c
        x=mcb
        n,var=max_count(vmb,vc)
    else:
        vn=vb
        vx=vc
        xs=c
        ns=b
        x=mcc
        n,var=max_count(vmc,vb)

    ts = sumv(var,vx)
    tsn,ts2 = max_count(ts,vn)

    if tsn > x+1  and sum(ts)<=len(a):
        vart=ts2
        while tsn > x+1 and sum(ts) <=len(a):
            prt=vart
            tsn,vart = max_count(ts,vn)
            ts=sumv(ts,vx)
            x=x-1
            n=n+1
        var=prt


    print ns*n+xs*x + ''.join([ascii_lowercase[i]*j for i,j in enumerate(var)])
if __name__=='__main__':
    main()
