$2\mathrm{.}9.$ What is the value of Z after execution? M is any user$-$provided whole number greater than $3.$ ALPHA and P$\_$INITIAL

are any user$-$provided real numbers.

INPUT ALPHA, M$,$ P$\_$INITIAL

P $=$ P$\_$INITIAL

FOR K $=3,$ M

P $=$ P $+$ ALPHA$*$K

END FOR

Z $=$ P