#include <iostream.h>

struct Student
{
long number;
float score;
Student * next;
};

Student * head;

Student * Create()
{
Student * pS;
Student * pEnd;
pS=new Student;
cin >> pS->number >> pS->score;
head=NULL;
pEnd=pS;

while (pS->number!=0)
{
if(head==NULL)
head=pS;
else
pEnd->next=pS;

pEnd=pS;
pS=new Student;
cin >> pS->number >> pS->score;
}
pEnd->next=NULL;
delete pS;
return(head);
}

void ShowList(Student * head)
{
cout << "Now the items of list are \n";

while (head)
{
cout << head->number << "," << head->score << endl;
head=head->next;
}
}

void main()
{
ShowList(Create());
}