#include <stdio.h>
#include <stdlib.h>

struct NODE
{
        int data;
        struct NODE *link;
};

void printlist(struct NODE *);

main()
{
        struct NODE *first, *current, *latest;
        int i=1, j=2;
	
        first = (struct NODE *)malloc(sizeof(struct NODE));
        first -> link=NULL;
        current = first;

        while(scanf("%d", &(current->data)) != EOF)
        {
                latest = (struct NODE *)malloc(sizeof(struct NODE));
                current->link = latest;
                current=latest;
                current->link=NULL;
        }

        current = first->link;
        printlist(current);
}

void printlist(struct NODE *current)
{       
        int i, j=2;
        printf("Data Position\tValue\n");
        
	while(current->link != NULL)
        {
                printf("%d\t\t%d\n", j, current->data);

                for(i=0; i<3; i++)
                {
                        if(current->link != NULL)
                        {
                                current = current->link;
                        }
                }
		j+=3;
        }

	printf("\n");
}