For Future reference, Instr returns an integer, not a string.
If you feel like a challenge, now try rewriting the program so that it detects automatically if it's Friday the 13th without me having to enter anything.
Hint #1: You can change your date to test/debug.
If you feel like a challenge, now try rewriting the program so that it detects automatically if it's Friday the 13th without me having to enter anything.
Hint #1: You can change your date to test/debug.