C++'da Matrix Programı

#include <iostream>
using namespace std;

main() {
  int x;
  system("TITLE The Matrix"); 
system("color 0A"); 
  x=0;

  while(x<6){
 cout << "Q W E T R Y T - * 9 8 7 6 ? / 6 3 A S D C B N V N M C ";
 x+x-1;

 }
  cin >> x;
  }