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a=raw_input()
b=raw_input()
c=raw_input()
chk=[0,0]
def cnt(x):
    w=[0]*26
    for i in x:
        w[ord(i)-97]+=1
    return w

def mini(x,y):
    tmp=1000001
    for i in range(26):
        if y[i]>0 and x[i]/y[i]!=0:
            tmp=min(tmp,x[i]/y[i])
    if tmp==1000001:
        return 0
    return tmp

chkA=cnt(a)
rep=chkA[:]
chkB=cnt(b)
chkC=cnt(c)

t1=mini(chkA,chkB)
chk[0]=t1
for i in range(26):
    chkA[i]-=chkB[i]*t1

t2=mini(chkA,chkC)
chk[1]=t2
for i in range(26):
    chkA[i]-=chkC[i]*t2
ans=[(sum(chk),chk[0],chk[1])]

for i in range(chk[0]):
    for j in range(26):
        chkA[j]+=chkB[j]
    r=mini(chkA,chkC)
    for k in range(26):
        chkA[k]-=chkC[k]*r
    x,y=ans[-1][1]-1,ans[-1][2]+r
    ans.append((x+y, x, y))
ans.sort()
ansB, ansC=ans[-1][1], ans[-1][2]
s=b*ansB+c*ansC
for i in range(26):
    rep[i]-=(chkB[i]*ansB+chkC[i]*ansC)
    if rep[i]>0:
        s+=chr(i+97)*rep[i]
print s