Place the following items in order from the most number of people affected to the least. Output the sequence of words without spaces.
Grocery Workers, Teachers, Musicians, Doctors
Doctors, Teachers, Grocery Workers, Musicians.
Complete the following task based on the instruction and optional input provided.### Instruction:
Place the following items in order from the most number of people affected to the least. Output the sequence of words without spaces.

### Input:
Grocery Workers, Teachers, Musicians, Doctors

### Output:
Doctors, Teachers, Grocery Workers, Musicians.