// Generates the base of the config | Генерирует базу конфига
std::string generate_config() 
{
    std::string OS = getOsName();
    bool isYCinstalled = checkYCExistance(); // 1
    std::string folderID;
    std::string IAMtoken;
    std::string lang;

    int choosings[4];

    printf("At first, let's pick a language:nСначала, выберем язык:nСпочатку, виберiмо мову:nn");
    printf("0. Englishn1. Русскийn2. Українськаn");
    scanf("%i", &choosings[0]);

    if (OS == "ubuntu") // yes
    {
        if (isYCinstalled) // 1
        {
            printf("%s", getLocalizedString("INSTALL_YC_BITTE", choosings[0]).c_str()); // bro why it doesnt execute?
        }
    }
    if (OS == "Not supported") 
    {
        printf("%s", getLocalizedString("ERR_OS_NOT_SUPPORTED", choosings[0]).c_str());
        kill_myself();
    }


    return "gleb";
}

I tried changing the outputs of other function, but everything is in vain. It doesn’t execute even though the IF’s are true.