Buffer Day - In-Class Programming Problem

Write a program that performs the following steps:

1. The program is run with a user’s name as the first (and only) command line argument. Print a greeting that includes the user’s name.
2. Prompt the user to enter numbers one by one. When they enter “done”, your program should print the following information:
   • The largest of the numbers entered
   • The average of the numbers entered
   • The count of the numbers entered that are divisible by 6 but not by 3