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import collections
from copy import deepcopy
a = raw_input()
b = raw_input()
c = raw_input()


counter1 = collections.Counter(a)
counter2 = deepcopy(counter1)
counter_b = collections.Counter(b)
counter_c = collections.Counter(c)


def get_inputs(c1, c2):
    inps = 100000
    for x, val in c2.iteritems():
        inps = min(inps, c1[x]/val)
    if inps > 0:
        for x, val in c2.iteritems():
            c1[x] -= c2[x] * inps
    return inps, c1

n1, res1 = get_inputs(counter1, counter_b)
n2, res1 = get_inputs(res1, counter_c)

m1, res2 = get_inputs(counter2, counter_c)
m2, res2 = get_inputs(res2, counter_b)

def counter_to_str(c):
    res = ''
    for x, val in c.iteritems():
        res += x * val
    return res

if n1 + n2 > m1 + m2:
    out = b * n1 + c * n2 + counter_to_str(res1)
else:
    out = c * m1 + b * m2 + counter_to_str(res2)

print out
