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from collections import defaultdict as dct


def solve():
    a = raw_input().strip()
    b = raw_input().strip()
    c = raw_input().strip()

    Ma = dct(int)
    for i in a:
        Ma[i] += 1
    Mb = dct(int)
    for i in b:
        Mb[i] += 1
    Mc = dct(int)
    for i in c:
        Mc[i] += 1

    n0 = 0
    ans0 = ''
    Z = Ma.copy()
    while 1:
        flag = True
        for k, w in Mb.iteritems():
            if k not in Z or Z[k] < w:
                flag = False
                break
        if not flag:
            break
        for k, w in Mb.iteritems():
            Z[k] -= w
        ans0 += b
        n0 += 1
    while 2:
        flag = True
        for k, w in Mc.iteritems():
            if k not in Z or Z[k] < w:
                flag = False
                break
        if not flag:
            break
        for k, w in Mc.iteritems():
            Z[k] -= w
        ans0 += c
        n0 += 1
    for k, w in Z.iteritems():
        ans0 += k * w

    n1 = 0
    ans1 = ''
    Z = Ma.copy()
    while 2:
        flag = True
        for k, w in Mc.iteritems():
            if k not in Z or Z[k] < w:
                flag = False
                break
        if not flag:
            break
        for k, w in Mc.iteritems():
            Z[k] -= w
        ans1 += c
        n1 += 1
    while 1:
        flag = True
        for k, w in Mb.iteritems():
            if k not in Z or Z[k] < w:
                flag = False
                break
        if not flag:
            break
        for k, w in Mb.iteritems():
            Z[k] -= w
        ans1 += b
        n1 += 1
    for k, w in Z.iteritems():
        ans1 += k * w

    if n0 >= n1:
        print ans0
    else:
        print ans1


solve()
