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def subarr(arr1, arr2):
    for l in range(26):
        if(arr1[l]-arr2[l]<0):
            return 0
    for l in range(26):
        arr1[l]=arr1[l]-arr2[l]

    
    return 1

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

blocka=[]
blockb=[]
blockc=[]
tempblocka=[]
tempblocka2=[]

for x in range(97, 123):
    tempblocka.append(a.count(chr(x)))
    tempblocka2.append(a.count(chr(x)))
    blockb.append(b.count(chr(x)))
    blockc.append(c.count(chr(x)))
    
bovera=[]
covera=[]

mini1=0

while(subarr(tempblocka, blockb)==1):
    mini1=mini1+1
    
mini2=0
while(subarr(tempblocka, blockc)==1):
    mini2=mini2+1

mini3=0

while(subarr(tempblocka2, blockc)==1):
    mini3=mini3+1


mini4=0
while(subarr(tempblocka2, blockb)==1):
    mini4=mini4+1



output=""

if((mini1+mini2)>(mini3+mini4)):
    for x in range(mini1):
        output=output+b
    for x in range(mini2):
        output=output+c
    for x in range(97, 123):
        for y in range(tempblocka[x-97]):
            output=output+chr(x)
else:
    for x in range(mini3):
        output=output+c
    for x in range(mini4):
        output=output+b
    for x in range(97, 123):
        for y in range(tempblocka2[x-97]):
            output=output+chr(x)

print output
