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  1. # your code goes here
  2. def isPalindrome(num):
  3. return str(num) == str(num)[::-1]
  4.  
  5. def check(n):
  6. for num in reversed(range(n)):
  7. if(isPalindrome(num)):
  8. num1 = num
  9. break
  10. for x in range(n+1,1000000):
  11. if(isPalindrome(x)):
  12. num2 = x
  13. break
  14. return num1+num2
  15.  
  16. n = int(input())
  17. for inum in reversed(range(n+1)):
  18. onum = check(inum)
  19. if(isPalindrome(onum)):
  20. print(onum)
  21. break
Success #stdin #stdout 0.06s 39136KB
stdin
67
stdout
121