#include <iostream>
#include <conio.h>
#include <windows.h>
using namespace std;
int menu();
int main()
{

    int answer = menu();
    switch (answer)
    {
    case 0: cout << "1" << endl; break;
    case 1: cout << "2" << endl; break;
    case 2: cout << "3" << endl; break;
    case 3: cout << "4" << endl; return 0;
    }
    system("pause");
    return 0;
}

int menu() {
    int key = 0;
    int code;
    do {
        system("cls");
        key = (key + 4) % 4;
        if (key == 0) cout << "-> Draw a picture" << endl;
        else  cout << "   Max, " << endl;

        if (key == 1) cout << "-> Draw graph" << endl;
        else  cout << "   I am " << endl;

        if (key == 2) cout << "-> Draw a picture step-by-step" << endl;
        else  cout << "   trolling " << endl;

        if (key == 3) cout << "-> Exit" << endl;
        else  cout << "   you" << endl;

        code = _getch();
        if (code == 224)
        {
            code = _getch();
            if (code == 80) key++;
            if (code == 72) key--;
        }
    } while (code != 13);
    system("cls");
    return key;
}