10 lines
163 B
Python
10 lines
163 B
Python
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def is_san(c,d,e):
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if c+d>e and c+d>e and c+d>e:
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print('yes')
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else:
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print('no')
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a=int(input())
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b=int(input())
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c=int(input())
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is_san(a,b,c)
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