Why this script doesnt work

[Mhtsos]

[SELECT ALL] Code:

lolc = 0
checkinit onKill [

if (= $arg1 (player1 cn)) [
if ( = $lolc 0)[
hudecho "You have slain an enemy"
lolc = 1
][
if ( = $lolc 1 ) [
hudecho "Double kill"
lolc = 2
][
if ( = $lolc 2 ) [
hudecho "Triple kill"
lolc = 3
][
if ( = $lolc 3 ) [
hudecho "Quadra kill"
lolc = 4
][
if ( = $lolc 4 ) [
hudecho "Penta kill"
lolc = 0
sleep 10000
hudecho "Ace!"

]
]
]
]
]
]
]