char ch = ' ';
    bool First = 1;
    bool last = 1;
    while (true){
        list *a = ListCreate();
        while (ch == ' ')
            scanf("%c", &ch);
        int len = 0;
        while (ch != ' ' && ch != '.'){
            ++len;
            ListAppend(a, ch);
            scanf("%c", &ch);
        }
        int block = len;
        if (len > 1 && First == 0)
            printf(" ");
        last = !(len > 1);
        First = 0;
        if (len % 2 == 1)
            block = len / 2;
        int cnt = 0;
        for (list_item *it = a->head; it; it = it->next, ++cnt)
            if (cnt != block)
                printf("%c", it->key);

        ListFree(a);
        if (ch == '.'){
            printf(".");
            break;
        }
    }