licze na +
on rightclick holding an ender pearl:
if {enderPearlLastUse::%player%} is not set:
set {enderPearlLastUse::%player%} to now
stop
if difference between {enderPearlLastUse::%player%} and now >= 10 seconds:
set {enderPearlLastUse::%player%} to now
else:
cancel event
send "&cMozesz uzyc ender perly za &e%difference between (difference between {enderPearlLastUse::%player%} and now) and 10 seconds%"