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 ojojzdravaaaabbdeeiklmprstuuv
 stankaaaadeeeefghhiiiiilmmmmnnnnnoooopprrrrstttttvwyyy

z = 'abcdefghijklmnopqrstuvwxyz'
dic = {}
for r in range(26):
    dic[z[r]] = 0
a = raw_input()
b = raw_input()
c = raw_input()
aarr = map(str, a.split())
barr = map(str, b.split())
carr = map(str, c.split())
adict = {}
bdict = {}
cdict = {}
for r in range(26):
    adict[z[r]] = 0
    bdict[z[r]] = 0
    cdict[z[r]] = 0
for r in range(len(a)):
    adict[a[r]] += 1
for r in range(len(b)):
    bdict[b[r]] += 1
for r in range(len(c)):
    cdict[c[r]] += 1
if len(b) >= len(c):
    temp = b
    b = c
    c = temp
    temp = bdict
    bdict = cdict
    cdict = temp

restrict = 999999999
for r in range(26):
    if bdict[z[r]] > 0:
        if int(adict[z[r]]/bdict[z[r]]) < restrict:
            restrict = int(adict[z[r]]/bdict[z[r]])
for r in range(26):
    adict[z[r]] -= restrict * bdict[z[r]]
restrict2 = 999999999
for r in range(26):
    if cdict[z[r]] > 0:
        if int(adict[z[r]]/cdict[z[r]]) < restrict2:
            restrict2 = int(adict[z[r]]/cdict[z[r]])
for r in range(26):
    adict[z[r]] -= restrict2 * cdict[z[r]]
l = []

for r in range(restrict):
    l.append(b)
for r in range(restrict2):
    l.append(c)
for r in range(26):
    for n in range(adict[z[r]]):
        l.append(z[r])
s = ''.join(l)
print s



    

