Help?

[2UX23TCk]

I know this question is probably the most stupidest question ever asked on this website. But,

If I input "1" how can I output it as "01"? :P

[Moschops]

https://stackoverflow.com/questions/1714515/how-can-i-pad-an-int-with-leading-zeros-when-using-cout-operator#1714538