var actualAmount=0
        bill.forEachIndexed { i,it ->
            if(i!=k) actualAmount+=it
        }
        val actualSplitAmount=actualAmount/2
        if(b==actualSplitAmount){
            println("Bon Appetit")
        }else{
            val overchargedAmount=b-actualSplitAmount
            println(overchargedAmount)
        }