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  1. while True:
  2.  
  3. 	a=input();print(a&-~a<1)and a>1 and all(a%b for b in range(2,a))
  4. 	print(a,)
Runtime error #stdin #stdout #stderr 0.01s 9136KB
comments (?)
stdin
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1
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51
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8191
stdout
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False
(1,)
False
(2,)
True
(3,)
False
(4,)
False
(5,)
False
(6,)
True
(7,)
False
(8,)
False
(9,)
False
(20,)
False
(23,)
False
(28,)
False
(29,)
True
(31,)
False
(51,)
True
(127,)
False
(128,)
False
(1023,)
False
(1024,)
True
(8191,)
stderr
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Traceback (most recent call last):
  File "prog.py", line 3, in <module>
EOFError: EOF when reading a line
https://ideone.com/jvHjxz
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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