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import sys
from collections import Counter

a = sys.stdin.readline().strip()
b = sys.stdin.readline().strip()
c = sys.stdin.readline().strip()


def solve(a, b, c):
    count_a = Counter(a)
    count_b = Counter(b)
    count_c = Counter(c)

    def check_sub(a, b):
        for k in b:
            if a[k] - b[k] < 0:
                return False
        return True

    r1 = 0
    r2 = 0
    r1_ = 0
    r2_ = 0
    while check_sub(count_a, count_b):
        r1_ += 1
        count_a -= count_b
        r2_ = min(count_a[k] / count_c[k] for k in count_c)
        if r1_ + r2_ > r1 + r2:
            r1, r2 = r1_, r2_
    count_a = Counter(a)
    for i in xrange(r1):
        count_a -= count_b
    for i in xrange(r2):
        count_a -= count_c

    return r1, r2, count_a


r1, r2, count_a = solve(a, b, c)

for i in xrange(r1):
    sys.stdout.write(b)
for i in xrange(r2):
    sys.stdout.write(c)

sys.stdout.write(''.join(k * count_a[k] for k in count_a))
