fun main(args: Array<String>) {
                    // Dummy properties
                    val list = listOf<List<Any>>()
                    var realDailyProfit: Double
                    var realProfit = 0.0

                    // You code begins here

                    for (i in 0 until list.size) {
                        if (list[i].listData.isNotEmpty()) {
                            var sum = 0.0
                            var latestUserId = list[i].listData[list[i].listData.size - 1].userId
                            val downTo = if (list[i].listData.size > 12) list[i].listData.size - 11 else 0
                            val hoursCalculated = if (list[i].listData.size > 12) 1 else list[i].listData.size - 2

                            for (j in list[i].listData.size - 3 downTo downTo) {
                                if (list[i].listData[j].userId < latestUserId) {
                                    sum += (latestUserId - list[i].listData[j].userId)
                                }
                                latestUserId = list[i].listData[j].userId
                            }
                            realProfit += (sum) + (24 / hoursCalculated)
                        }
                    }

                    realDailyProfit = realProfit

                    // Your code ends here, mine begins here
                    list.asSequence()
                            .map { it.listData }
                            .filter { it.isNotEmpty() }
                            .forEach { listData ->
                                val size = listData.size
                                val range = size - 3 downTo if (size > 12) size - 11 else 0
                                val initial = listData.last().userId to 0.0
                                val (_, sum) = listData
                                        .foldRightIndexed(initial) { j: Int, data, (latestUserId, sum) ->
                                            val userId = data.userId
                                            val valueToAdd = if (j in range && userId < latestUserId) latestUserId - userId else 0
                                            userId to sum + valueToAdd
                                        }

                realProfit += sum + 24 / if (size > 12) 1 else size - 2
            }

    realDailyProfit = realProfit
}

// Dummy properties
private val Any.userId: Long
    get() = TODO("not implemented") //To change body of created functions use File | Settings | File Templates.

val <T> List<T>.listData: List<Any>
    get() = TODO()