19 lines
237 B
Python
19 lines
237 B
Python
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def problem_p02753(input_data):
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def main():
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S = eval(input_data)
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S = set(S)
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if len(S) == 1:
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return "No"
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else:
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return "Yes"
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if __name__ == "__main__":
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main()
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