#include<iostream>
#include<string>
using namespace std;

class cnode
{
public:
	int info;
	cnode *pnext;
};

class clist
{
public:
	cnode *phead=NULL;
	cnode *ptail;

	clist()
	{
		phead = NULL;
		ptail = NULL;
	}

	~clist()
	{
		cnode *ptrav = phead;
		while (ptrav != NULL)
		{
			phead = phead->pnext;
			delete ptrav;
			ptrav = phead;
		}
	}

	void Attach(cnode *pnn)
	{
		if (phead == NULL)
		{
			phead = pnn;
			ptail = pnn;
		}
		else
		{
			ptail->pnext = pnn;
			ptail = pnn;
		}
	}

	/*void sortAttach(cnode *pnn)
	{
		cnode *pB = NULL;
		if (phead == NULL)
		{
			phead=pnn;
		}
		else
		{
			cnode *ptrav = phead;
			while (ptrav != NULL)
			{
				if (ptrav->info < pnn->info)
				{
					break;
				}
				pB = ptrav;
				ptrav = ptrav->pnext;
			}
			if (ptrav != NULL)
			{
				if (pB != NULL)
				{
					pB->pnext = pnn;
					pnn->pnext = ptrav;
				}
				else
				{
					pnn->pnext = ptrav;
					phead = pnn;
				}
			}
			else
			{
				pB->pnext = pnn;
				pnn->pnext = NULL;
			}
		}
	}*/

};



int main()
{
	clist l[30];
		cnode *pnn, *sahm;
		int n;
		for (int i = 0; i < 3; i++)
		{
			cout << "enter size"<<endl;
			cin >> n;
			sahm = l[i].phead;
			cout << "enter info" << endl;
			for (int j = 0; j < n; j++)
			{
				pnn = new cnode;
				cin>>pnn->info;
				pnn->pnext = NULL;
				l[i].Attach(pnn);
			}
		}

		for (int i = 0; i < 3; i++)
		{
			cout << "list" << i<<":"<<endl;
			sahm = l[i].phead;

			while(sahm!=NULL)
			{
				cout << sahm->info << ", ";
				sahm = sahm->pnext;
			}
			cout << endl;
		}


/////////////////////////////////



	system("pause");

}