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def makeS(s):
    ns = [0 for i in xrange(26)]
    for c in s:
        x = ord(c) - ord('a')
        ns[x] += 1
    return ns
    
def calc_max(A, B):
    maxi = 0xdeadbeef
    for i in xrange(26):
        if B[i] == 0:
            continue
        maxi = min(maxi, A[i] / B[i])
    return maxi
    
def get_rest_str(A):
    res = ''
    for i in xrange(26):
        res += chr(i + ord('a')) * A[i]
    return res

def solve(a, b, c):
    As = makeS(a)
    Bs = makeS(b)
    Cs = makeS(c)
    
    max_b = calc_max(As, Bs)
    for i in xrange(26):
        As[i] -= max_b * Bs[i]
    max_c = calc_max(As, Cs)
    for i in xrange(26):
        As[i] -= max_c * Cs[i]
        
    rest_str = get_rest_str(As)
        
    return (b * max_b + c * max_c + rest_str, max_b + max_c)

def main():
    a = raw_input()
    b = raw_input()
    c = raw_input()

    (s1, n1) = solve(a, b, c)
    (s2, n2) = solve(a, c, b)

    if n1 < n2:
        print s2
    else:
        print s1

main()
