int status = 0;
int x = 0;
void setup()
{
 size(800, 800);
 textSize(32);
}
void draw()
{
  if(keyPressed)
  {
    if(key=='a')
    {
      status = 1;
    }
    if(key=='b')
    {
     status =2;
    }
  }

  if(status == 1)
  {
    background(233, 223, 176);
     text("linkiu graziu svenciu....", x, 100);
     x+=5;
     if(x>width)
     {
      x=-120;
     }
  }
  if(status ==2)
  {
     background(0, 23, 236);
     for(int i = 50; i< height; i+=50)
     {
       if(i%100==0) fill(0, 0, 255);
       else fill(0, 255, 0);
     text("linkiu graziu svenciu....", x, i);
     }
     x+=5;
     if(x>width)
     {
       x = -120;
     }
  }
}