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NEXTODD - The next odd number

Given an integer 1 <= N <= 10000,you have to print the next odd number.

Score is the length of your source.

Input

The input file consists of series of numbers one in each line.The input is terminated by EOF.

Output

The next odd number.

Example

Input:
5
2
6
17

Output:
7
3
7
19


PS:Take care about your fingers, do not use more than 100 bytes of code.


Adicionado por::(){ :|: & };:
Data:2010-08-25
Tempo limite:1s
Tamanho do fonte:100B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Linguagem permitida:Todas exceto: ASM64 CLOJURE ERL FSHARP NODEJS OBJC PERL6 PY_NBC SCALA TCL VB.NET
Origem:From a shortening contest.
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