easy
2024-10-19 11:43:58
发布于：浙江
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x,y=input().split()
x=int(x)
y=int(y)
if -1<=y<=1 and -1<=x<=1:
print('yes')
else:
print('no')
2024-10-19 11:43:58
发布于：浙江
x,y=input().split()
x=int(x)
y=int(y)
if -1<=y<=1 and -1<=x<=1:
print('yes')
else:
print('no')
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