Write a C program to implement the following requirement: Input:

$$ A line consisting of a list A of n $(0<$ n $<10,000)$ positive integers. The integers in the list are separated by commas $,.$ Each integer in the list is less than $1,000,000.$

Output:

The program will sort the list in ascending order and print the following to the standard output:

$$First line: The Greatest Common Divisor $($GCD$)$ of the smallest and largest numbers in the list A$.$

$$Second line: The sorted list A$,$ with each element separated by a comma $,$

Requirement: you can only use putchar$(),$ getchar$(),$ printf$(),$ scanf$()$ for standard input$/$output functions.