[Haskell] Problem with types.

[Szymon Ząbkiewicz]

Hi!
I'm new to Haskell and FP so i've got some problems. I wrote this code :

getNr :: Int -> Int
getNr x = do
    putStrLn ("enter " ++ x ++ " number:")
    nr <- getLine
    return nr

And when I try to load it to GHCi I get an error (there is also plenty of
others but they look the same):

couldn't match Int against t t1

Help needed.
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