int xPos=0,yPos = 0;

void setup() 
{ 
  fullScreen();
  
  
 
}
 
void draw() {  // draw() loops forever, until stopped
  
background(204); 
 if (mouseButton == LEFT)
  {

    fill(0,0,255);
    if (mouseX>xPos-50 && mouseX<xPos+50 && mouseY>yPos-50 && mouseY<yPos+50) 
  text("yes",100,100);
  else
  text("nO",100,100);

   
  }

xPos = floor( random( width ));
 yPos = floor( random( height ));;
 fill(255,255,0); 
  ellipse(xPos, yPos, 50, 50);

  
  delay(2000);
 
  
}