#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

enum state {vidsyt, bezpererv, ochik, zaynyat};

class Phone
{
private:
    bool stateline, statephone;
    int volume;
    state stategydok;
public:
    void pidklofline();
    void vidklofline();
    void upphone();
    void downphone();
    void getVolume();
    void getNumber();
};

void Phone::pidklofline()
{
    stateline = 1;
    if (statephone == 1)
    {
        stategydok = bezpererv;
    }
}

void Phone::vidklofline()
{
    stateline = 0;
    stategydok = vidsyt;
}

void Phone::upphone()
{
    statephone = 1;
    if (stateline = 1) {stategydok = bezpererv;}
}

void Phone::downphone()
{
    statephone = 0;
    stategydok = vidsyt;
}

void Phone::getVolume() //Первый getVolume()
{
    int sila_Zvyka;
    cin>>sila_Zvyka;
    volume = sila_Zvyka;
}

void Phone::getNumber() //
{
    if (stateline == 1 && statephone == 1)
    {
        srand((time(0)));
        bool a = rand()%2;
        if (a)
            stategydok = ochik;
        else
            stategydok = bezpererv;
    }
}