#include <iostream>
#include <windows.h>
#include <stdlib.h>
using std::cout;
using std::cin;
using std::endl;

#define AlphabetSIZE 36
#define White 15
#define Green 2
#define SymbolsSIZE 8

char Alphabet[] = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','0','1','2','3','4','5','6','7','8','9'};
char Symbol[] = {'!','@','#','$','%','&','=','+'};

int main()
{
    short int c;
    short int f;
    char input;
    short int counter = 0;
    short int color = Green;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),color);
    while(1)
    {
        for(int i=0; i<AlphabetSIZE;i++)
        {
            c = rand() % AlphabetSIZE;
            f = rand() % SymbolsSIZE;
            cout << Alphabet[c];
            if(counter %20 == 0)
            {
                SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),White);
                cout << Symbol[f];
            }
            SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),Green);
            counter++;
        }
        cout << "\n";
        Sleep(25);
    }
    return 0;
}