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a = input()
b = input()
c = input()
a, b, c = list(a), list(b), list(c)
a.append("")
extra = a
def swap(x, y):
    glass = a[x]
    a[x] = a[y]
    a[y] = glass
k = []
count = 0
output = ""
while count <= len(a):
    for letter in b:
        for element in a:
            if letter == element:
                k.append(letter)
                a.remove(letter)
                count += 1
                break
    for letter in c:
        for element in a:
            if letter == element:
                k.append(letter)
                a.remove(letter)
                count += 1
                break
for X in extra:
    if X not in k:
        k.append(X)
        
for element in k:
    output += element
print (output)
