encrypted = vigenere_encrypt("satiny", "Na treti den pohotove nezabili nic len dvoch levov co sa medzi sebou driapali upokojili a doviedli domov");
    printf("\n\n%s", encrypted);

    decrypted = vigenere_decrypt("satiny", "FA MZRRA DXV CMZOMWIC FESIOGDI GQP JWN WDBAZ LXDBT UO LI ZCVZB ARZGU WZVYHAEQ HNGKHRVJA A WWIGWDEQ QMEOO");
    printf("\n%s\n\n", decrypted);