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Bigger Number With The Same Digits

Bigger Number With The Same Digits

Before you start the test, check out our tutorial challenge

Challenge overview

Hello and welcome to the challenge!

Write a code which receives a positive integer number and returns the next bigger number formed by the same digits. Return -1 if that's impossible.

Examples

solve(15) -> 51
solve(223) -> 232
solve(444) -> -1

Input

the given number

Output

the next bigger number made from the same digits or -1

You can solve this programming contest in C++, C#, Ruby, JavaScript, Python and many other languages. If you want, you can also take part in other Challenges. Below you can find some of them:

Passwords From Sentences
Increment An Array Of Digits
Name Initials

Have fun and good luck! :)

Bigger Number With The Same Digits

Challenge overview

Examples

Input

Output

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