$2\mathrm{.}4.$ What is the value of $P$ after execution? $M$ is any user$-$provided whole number greater than $1.P\_$INITIAL is any user$-$provided real number.

INPUT M$,$ P$\_$INITIAL

$P=P_{\text{I}}$NITIAL

FOR $K=1$ to $M$

$P=P+K$

END FOR

PRINT $P$