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  1. a = input().split()
  2. print(a)
  3. res = 2
  4. if a[0] == a[1] == a[2]:
  5.     res = min(res, 0)
  6. if a[0] == a[1] or a[1] == a[2] or a[0] == a[2]:
  7.     res = min(res, 1)
  8.  
  9. for i in range(3):
  10.     for j in range(3):
  11.         if int(a[i][0]) + 1 != int(a[j][0]):
  12.             break
  13.         res = min(res, 1)
  14.         for k in range(3):
  15.             if int(a[j][0]) + 1 == int(a[k][0]):
  16.                 res = min(res, 0)
  17. print(res)
Success #stdin #stdout 0.02s 9352KB
comments (?)
stdin
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1s 2s 3s
stdout
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['1s', '2s', '3s']
2
https://ideone.com/gbwV8U
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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