#include<iostream>

using namespace std;

class node{

public:

    node():value(),next(NULL){}

    ~node(){}

    int value;

    node* next;

};///be careful this ;

node* createlist(int a[],int n)

{

 node* startnode = new node[n];

 node* ret = startnode;

 for(int i = ;i<n;i++)

 {

     startnode[i].value = a[i];

     if(i<n-)

         startnode[i].next = startnode + i + ;

 }

 while(startnode)

 {

     cout<<" "<<startnode->value;

     startnode = startnode->next;

 }

 cout<<endl;

 return ret;

}

int helper(node* nd,int k)

{

 node* cursor1 = nd;

 node* cursor2 = nd;

 while(--k)

     cursor2 = cursor2->next;

 while(cursor2->next)

 {

     cursor1 = cursor1->next;

     cursor2 = cursor2->next;

 }

 return cursor1->value;

}

int main()

{

    int a[] = {,,,,,,,,};

    node * t = createlist(a,);

    cout<<helper(t,);

}