10 lines
142 B
Python
10 lines
142 B
Python
print((lambda x : (x//2+1)*(x//2+2) if x%2 else (x//2 + 1)**2)(int(input())))
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# 1 1*2
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# 2 2*2
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# 3 2*3
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# 4 3*3
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# 5 3*4
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# 6 4*4
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# 7 4*5
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# 8 5*5 |