Trace the program by writing the values of variables, conditions, and printout in a table $($shown below$).$

Sum

count

count $<=4$

number

number $<0$

printout

$0$

$1$

true

$4$

$-$

num

num $>0$

Print out

$10$

true

$10$

$8$

TRUE

$8$

$6$

TRUE

$6$

$4$

TRUE

$4$

$2$

TRUE

$2$

$[1]$ How many numbers does the program read?

$[1]$ Explain the function of the program in one sentence. $($Hint: For the function of the program, you can explain the printout of the program in terms of input values$).$