fun main() {
val N = 5
// The sum of the first N even numbers is N * (N + 1)
var sumEven: Int = N * (N + 1)
println("The sum of the first $N even numbers is: $sumEven")
}
// 2 + 4 + 6 + 8 + 10 = 30
/*
run:
The sum of the first 5 even numbers is: 30
*/