#include <stdlib.h>
#include <stdio.h>
#include <string.h>
struct clasa{
    char nume[256];
    int id;
    struct elev *elevi;
    struct clasa *urm;
};
struct elev{
    char nume[256];
    struct elev *urm;
};
struct clasa *start = NULL;

void adauga_clasa(char nume[256], int id)
{
    struct clasa *t;
    t = (struct clasa*)malloc(sizeof(struct clasa));
    t->id=id;
    t->urm = NULL;
    strcpy(t->nume,nume);
    if(start == NULL)
    {
        start = t;
        return;
    }
    t->urm = start;
    start = t;
}

int main()
{
    printf("Hello world\n");
    return 0;
}