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from   collections import Counter
import io

def div(a, b):
    result = 10000000
    for k, v in b.items():
        result = min(result, a[k] // v)
    return result

a = input()
b = input()
c = input()
ac = Counter(a)
bc = Counter(b)
cc = Counter(c)
best = 0
best_ij = (None, None)
for i in range(div(ac, bc) + 1):
    j = div(ac, cc)
    if i + j > best:
        best_ij = (i, j)
        best = i + j
    for k in bc:
        ac[k] -= bc[k]
ac = Counter(a)
for k in bc:
    ac[k] -= best_ij[0] * bc[k]
for k in cc:
    ac[k] -= best_ij[1] * cc[k]
s = io.StringIO()
s.write(best_ij[0] * b)
s.write(best_ij[1] * c)
for k, v in ac.items():
    s.write(k * v)
print(best_ij)
print(s.getvalue())
