Преуреди листа

import java.util.Scanner;

public class PreurediLista {
    public static SLLNode<Integer> getLastNode(SLL<Integer> list){
        SLLNode<Integer> tmp=list.getFirst();

        while(tmp.succ!=null){
            tmp=tmp.succ;
        }
        return tmp;
    }

    public static void preuredi(SLL<Integer> list){
        SLLNode<Integer> tmp=list.getFirst();
        int n=list.length()/2;
        while(n!=0){
            n--;
            SLLNode<Integer> last=getLastNode(list);
            list.insertAfter(last.element,tmp);
            list.delete(last);
            tmp=tmp.succ.succ;
        }
        System.out.println(list);
    }

    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        int n=in.nextInt();

        SLL<Integer> list=new SLL<>();
        for(int i=0;i<n;i++){
            list.insertLast(in.nextInt());
        }
        preuredi(list);
    }
}