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a = input()
b = input()
c = input()

res = []

def fh(s):
    h = {}
    for i in s:
        if i in h.keys():
            h[i] += 1
        else:
            h[i] = 1
    return h

h1 = fh(a)
h2 = fh(b)
h3 = fh(c)

count = {}
q = 0
for i in h2.items():
    if i[0] in h1.keys():
        tmp = h1[i[0]]//i[1]
        if tmp:
            count[i[0]] = tmp
            if not q or q < tmp:
                q = tmp
        else:
            q = 0
            break

if q:
    res.append(list(b)*q)
    for i in h2.items():
        h1[i[0]] -= i[1]*q

count = {}
q = 0
for i in h3.items():
    if i[0] in h1.keys():
        tmp = h1[i[0]]//i[1]
        if tmp:
            count[i[0]] = tmp
            if not q or q < tmp:
                q = tmp
        else:
            q = 0
            break

if q:
    res.append(list(b)*q)
    for i in h3.items():
        h1[i[0]] -= i[1]*q

if not res:
    res = a
else:
    for i in res:
        print(''.join(i), end='')