Copy and insert rows

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Serenitylai Posts 1 Registration date Tuesday March 28, 2017 Status Member Last seen March 28, 2017 - Mar 28, 2017 at 12:13 AM
Hi, Everyone!
I just need help
I need a formula or a macro code that everytime I will manually type something on column a,b,c
it will be also get copied 3 times down
so it's like
a b c
John Smith Veronica Mars Silent hill
John Smith Veronica Mars Silent hill
John Smith Veronica Mars Silent hill
John Smith Veronica Mars Silent hill
I hope someone can help me out :(