fun isLeapYear(year: Int): Boolean {
return (year % 4 == 0 && year % 100 != 0) || year % 400 == 0
}
fun main() {
val year = 2016
if (isLeapYear(year)) {
println("$year is a leap year")
} else {
println("$year is not a leap year")
}
}
/*
run:
2016 is a leap year
*/