convert the numbers to word

[skimask]

I don't this
If i press the button 2 i take 2 , after i press the button 4 and take 4 ,etc
3 and 8
How to take a word with this number : 2 and 4 and 3 and 8
like this: value = 2438

I guess there's a bit of a language barrier going on here. I don't really get what you're trying to say...