package thiha
import kotlin.text.StringBuilder
fun main(args: Array<String>) {
    val x = 45
    if (x.isEven()) println("$x is even") else println("$x is odd")
    val days = arrayOf("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat")
    println(days.combineAll())
    val y = 44
    if (y.isEven()) println("$y is even") else println("$y is odd")
}
private fun <T> Array<T>.combineAll(): Any {
    val sb = StringBuilder()
    this.forEach {
        sb.append(it)
    }
    return sb.toString()
}
private fun Int.isEven(): Boolean {
    if(this % 2 == 0) return true
    return false
}