char str[1000];
    printf("Enter the text\n");
    fflush(stdin);
    fgets(str, sizeof(str), stdin);
    // создание массива слов
    char **words = NULL, *p = NULL;
    int i, cnt = 0;

    for (p = strtok(str, " "); p != NULL; p = strtok(NULL, " ")) {
        if ((words = (char **) realloc(words, sizeof(char *) * (cnt + 1))) == NULL) {
            printf("No memory to new word!\n");
            exit(1);
        }
        if ((words[cnt] = strdup(p)) == NULL) {
            printf("Can't duplicate word!\n");
            exit(1);
        }
        ++cnt;
    }

    // подсчет гласных в словах
    for (i = 0; i < cnt; ++i) {
        if (count_of_vowels(words[i]) < 3) printf("%s ", words[i]);
    }


    for (i = 0; i < cnt; ++i) {
        if (words[i] != NULL) {
            free(words[i]);
            words[i] = NULL;
        }
    }
    free(words);
    words = NULL;
    printf("\n\n");