18 lines
278 B
Python
18 lines
278 B
Python
def swi(g):
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if g == 1:
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return 0, False
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if g == 0:
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return 1, True
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a = input()
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b = input()
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ex = []
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g = 0
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for i in b:
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g, doo = swi(g)
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if (doo) and (not (i in ex)):
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ex.append(i)
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b = ''
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for i in a:
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if not (i in ex):
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b += i
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print(b) |