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a = raw_input()
b = raw_input()
c = raw_input()
acount = [0]*26
for item in a:
    acount[ord(item)-97] += 1
bcount = [0]*26
ccount = [0]*26
for item in b:
    bcount[ord(item)-97] += 1
for item in c:
    ccount[ord(item)-97] += 1
temp = [item for item in acount]
flag = 1
bb1 = 0
cc1 = 0
while 1:
    for i in xrange(26):
        if temp[i]-bcount[i]<0:
            flag = 0
            break
    if flag == 0:
        break
    else:
        for i in xrange(26):
            temp[i] -= bcount[i]
        bb1 += 1
flag = 1
while 1:
    for i in xrange(26):
        if temp[i]-ccount[i]<0:
            flag = 0
            break
    if flag == 0:
        break
    else:
        for i in xrange(26):
            temp[i] -= ccount[i]
        cc1 += 1
sum1 = bb1 + cc1
bb2 = 0
cc2 = 0
flag = 1
while 1:
    for i in xrange(26):
        if acount[i]-ccount[i]<0:
            flag = 0
            break
    if flag == 0:
        break
    else:
        for i in xrange(26):
            acount[i] -= ccount[i]
        cc2 += 1
flag = 1
while 1:
    for i in xrange(26):
        if acount[i]-bcount[i]<0:
            flag = 0
            break
    if flag == 0:
        break
    else:
        for i in xrange(26):
            acount[i] -= bcount[i]
        bb2 += 1
sum2 = bb2 + cc2
ans = []
if sum1>=sum2:
    for i in xrange(bb1):
        ans.append(b)
    for i in xrange(cc1):
        ans.append(c)
    for i in xrange(26):
        ans.append(chr(i+97)*temp[i])
    print "".join(ans)
elif sum1<sum2:
    for i in xrange(bb2):
        ans.append(b)
    for i in xrange(cc2):
        ans.append(c)
    for i in xrange(26):
        ans.append(chr(i+97)*acount[i])
    print "".join(ans)
