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a = {}
aread = raw_input()

for x in aread:
  if x in a: a[x] += 1
  else : a[x] = 1

b = {}
c = {}
countb = 0
countc = 0
bread = raw_input()
cread = raw_input()
lenb = len(bread)
lenc = len(cread)
for x in bread:
  if x in b: b[x] += 1
  else : b[x] = 1
for x in cread:
  if x in c: c[x] += 1
  else : c[x] = 1

ans = ""

if lenb <= lenc:
  while (True):
    tem = True
    for x in b:
      if not(x in a) or a[x] < b[x]:
        tem = False
        break
    if tem == False : break
    else :
      ans += bread
      for x in b: a[x] -= b[x]

  while (True):
    tem = True
    for x in c:
      if not(x in a) or a[x] < c[x]:
        tem = False
        break
    if tem == False : break
    else :
      ans += cread
      for x in c: a[x] -= c[x] 
      
else:   
  while (True):
    tem = True
    for x in c:
      if not(x in a) or a[x] < c[x]:
        tem = False
        break
    if tem == False : break
    else :
      ans += cread
      for x in c: a[x] -= c[x] 
      
  while (True):
    tem = True
    for x in b:
      if not(x in a) or a[x] < b[x]:
        tem = False
        break
    if tem == False : break
    else :
      ans += bread
      for x in b: a[x] -= b[x]
         
for x in a:
  if a[x] > 0: ans += "".join(a[x] * [x])
print ans