fun compareArrays(a: Array<Int>, b: Array<Int>): Array<Int> {

    var aRetVal:Int = 0
    var bRetVal:Int = 0

    for(i in 0..2){
        when {
            a[i] > b[i] -> aRetVal + 1 // This does not add 1 to the variable
            b[i] > a[i] -> bRetVal++ // This does...
        }
    }
    return arrayOf(aRetVal, bRetVal)

}