L* Killer(L *first, int n)
{
    L *currentItem=first;
    while (currentItem !=NULL)
    {
        if (currentItem->value>25)    
        {
            delete currentItem;
            printf("rab");
            currentItem=currentItem->nextItem;
        }
        else
        currentItem=currentItem->nextItem;
        //printf("prab"); 
    }
    return first;
}