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

struct auta {
    char kategoria[50];
    char znacka[50];
    char predajca[100];
    int cena;
    int rok_vyroby;
    char stav_vozidla[200];
    struct auta *dalsia;
};

void pridaj(struct auta **zac, char kat[], char zn[], char pr[], int cen, int rok, char stav[])
{
    struct auta *posledny = *zac;
    struct auta *novy = malloc(sizeof(struct auta));
    strcpy(novy->kategoria, kat);
    strcpy(novy->znacka, zn);
    strcpy(novy->predajca, pr);
    novy->cena = cen;
    novy->rok_vyroby = rok;
    strcpy(novy->stav_vozidla, stav);
    novy->dalsia = NULL;
    if(*zac == NULL)
    {
        *zac = novy;
        return;
    }
    while(posledny->dalsia != NULL)
    {
        posledny = posledny->dalsia;
    }
    posledny->dalsia = novy;
}

void nacitanie(struct auta **zac)
{
    char kat[50], zn[50], pr[100], stav[200];
    int cen, rok, count = 0;
    FILE *f1 = fopen("auta.txt", "r");
    if(f1 == NULL)
    {
        printf("Neexistuje");
        exit(0);
    }

    while(fscanf(f1, "$ %[^\n]\n%[^\n]\n%[^\n]\n%d\n%d\n%[^\n] ", kat, zn, pr, &cen, &rok, stav) != EOF)
    {
        //printf("%s %s %s %d %d %s\n", kat, zn, pr, cen, rok, stav);
        count++;
        pridaj(zac, kat, zn, pr, cen, rok, stav);
    }
    printf("Nacitalo sa %d zaznamov", count);
    fclose(f1);
}
void vypis(struct auta *zac)
{
    int count = 1;
    while(zac != NULL)
    {
        printf("%d.\nKategoria: %s\nZnacka: %s\nPredajca: %s\nCena: %d\nRok vyroby: %d\nStav vozidla: %s\n",count++, zac->kategoria, zac->znacka, zac->predajca, zac->cena, zac->rok_vyroby, zac->stav_vozidla);
        zac = zac->dalsia;
    }
}
struct auta *najdi_poziciu(struct auta *zac, int k)
{
    int c=1;
    struct auta *novy = zac;
    while(novy != NULL)
    {
        if(c == k)
        {
            return novy;
        }
        c++;
        novy = novy->dalsia;
    }
    return NULL;
}
void pridavanie(struct auta **zac)
{
    int k;
    scanf("%d ", &k);
    struct auta *pred = NULL;
    //if(k - 2 > 0)
    pred = najdi_poziciu(*zac, k - 1);
    struct auta *za = najdi_poziciu(*zac, k+1);
    struct auta *novy = malloc(sizeof(struct auta));
    scanf("%[^\n] %[^\n] %[^\n] %d %d %[^\n]", novy->kategoria, novy->znacka, novy->predajca, &novy->cena, &novy->rok_vyroby, novy->stav_vozidla);
    if(pred != NULL) pred->dalsia = novy;
    *zac = novy;
    if(za != NULL) novy->dalsia = za;
}
int main()
{
    char k;
    struct auta *zac = NULL;
    while(scanf(" %c", &k) && k != 'k')
        switch(k)
        {
            case 'n': nacitanie(&zac); break;
            case 'v': vypis(zac); break;
            case 'p': pridavanie(&zac); break;
            default: printf("Zly vstup\n"); break;
        }
    return 0;
}