FILE *p;
    for (i=0; i<m+n; i++)
    {
        fread(&x,sizeof(x),1,f);
        p=fopen(x.firma.localitate,"a");
        if (p==NULL)
        {
            printf("err");
            exit (1);
        }
        fwrite(&x.nume,sizeof(x.nume),1,p);
        fwrite(&x.firma.nrang,sizeof(x.firma.nrang),1,p);
        fclose(p);


    }