A Math Problem 
Difference between en1 and en2, changed 3 character(s)
A number having all digits even is called a lucky number. Example 244, 566...↵
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Find Kth lucky number(1st lucky number is 0).↵
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Constraint↵
1<=k<=10^12↵

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  Rev. Lang. By When Δ Comment
en2 English deadshot1928 2022-08-13 21:11:10 3 Tiny change: '<=k<=10^12' -> '<=k<=10^12\n' (published)
en1 English deadshot1928 2022-08-13 21:09:29 168 Initial revision (saved to drafts)