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  1. a=int(input())
  2. b=int(input())
  3. c=int(input())
  4. d=int(input())
  5. if a>0 and a<=8 and c>0 and c<=8 and b>0 and b<=8 and d>0 and d<=8:
  6. print("NO")
Success #stdin #stdout 0.03s 9688KB
stdin
9
9
9
9
stdout
Standard output is empty