17 lines
190 B
Python
17 lines
190 B
Python
n=input()
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narr=[]
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for i in n:
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narr.append(int(i))
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narr.sort(reverse=True)
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s=narr[0]
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for i in range(1,len(narr)):
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s*=10
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s+=narr[i]
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if s%30==0:
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print(s)
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else:
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print(-1)
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