/*Delete Function works*/
#include<stdio.h>
#include<stdlib.h>

struct n
{
    int x,y;
    struct n *next;
};

typedef struct n node;

node *head;
node *start;

void takeIn(int n)
{
    head = (node *)malloc(sizeof(node));
    start = head;
    int i;
    for(i=0; i<n; i++)
    {
        scanf("%d %d",&head->x,&head->y);
        head->next = (node*)malloc(sizeof(node));
        head = head->next;
    }
    head->next = NULL;
}

void d(int itm)
{
    node *st = start;
    node *prev = NULL;
    node *cur;
    node *ex;

    while(st->next)
    {
        if(st->next->x == itm)
        {
            prev = st;
        }
        st = st->next;
    }

    if(prev != NULL)
    {
        cur = prev->next->next;
        free(prev->next);
        prev->next = cur;

    }

}

void p()
{
    node *st = start;
    while(st->next)
    {
        printf("%d %d\n",st->x,st->y);
        st= st->next;
    }

}

int main()
{
    int s,m,n;
    scanf("%d",&s);

    takeIn(s);
    while(1)
    {
        printf("Delete: ");
        scanf("%d %d",&m,&n);
        d(m);
        p();
    }


    return 0;
}