I need assistance with integrating the following within a macro I have.

Ask the user to enter a 4 digit YEAR.

Cell AM1 should be populated with the word Start.
Cell AN1 should be populated with the word End.
Cell AM2 should be populated with 01/01and the 4 digit year entered above.
Cell AN2 should be populated with 01/03 and the 4 digit year entered above.
Cell AM3 should be populated with 01/04and the 4 digit year entered above.
Cell AN3 should be populated with 31/08 and the 4 digit year entered above.
Cell AM4 should be populated with 01/09and the 4 digit year entered above.
Cell AN4 should be populated with 31/12 and the 4 digit year entered above.

All assistance offered gratefully received.