#include <iostream>

using namespace std;

class Node{
public:
    int v;
    Node* next;
};

void vuvod(Node*z){
     while(z>0){
          cout<<z->v<<endl;
          z=(*z).next;
     }
}


void push(Node** toot,int a){
    Node*m=new Node;
    m->v=a;
    m->next=0;
    *toot=m;
}

int main()
{

    Node*a=new Node;
    Node*root=0;
    Node*b=new Node;

    a->v=1;
    a->next=root;
    cout<<"push\n";

    push(&root,2);
    b=root;
    a->next=b;

    push(&root,3);
    b->next=root;
    b=root;

    push(&root,4);
    b->next=root;
    b=root;

    push(&root,5);
    b->next=root;
    b=root;

    vuvod(a);

    delete a;
    delete b;
    delete root;
}