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  1. def xor_mul(a, b):
  2.     result = 0
  3.     for bit in range(b.bit_length()):
  4.         mask = 1 << bit
  5.         result ^= a * (b & mask)
  6.     return result
  7.  
  8. try:
  9.     while True:
  10.         a, b = input().split()
  11.         a = int(a)
  12.         b = int(b)
  13.         print('{}@{}={}'.format(a, b, xor_mul(a, b)))
  14. except EOFError:
  15.     pass
Success #stdin #stdout 0.01s 27704KB
comments ()
stdin
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1 2
9 0
6 1
3 3
2 5
7 9
13 11
5 17
14 13
19 1
63 63
stdout
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1@2=2
9@0=0
6@1=6
3@3=5
2@5=10
7@9=63
13@11=127
5@17=85
14@13=70
19@1=19
63@63=1365
https://ideone.com/hwc2jS
language:
Python 3 (python  3.12)
created:
7 years ago
visibility:
public

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