InputBox 4 all macros

1st thnx .excel-downloads

i hv 3 macros whith same InputBox
hw do just one InputBox for all macros
sorry ihv bad english

ex:
macros 1 InputBox n and m
macros 2 InputBox n and m
macros 3 InputBox n and m

i want entry just InputBox n and m for 1st macros . the macros 2 and 3 hv same n and m whith out writing n and m