Ekranı Dörde Bölme (Processing) & Random

//{PROGRAM adı;}
/*backgroung{0-255};
background(R,G,B);
backgorund(R,G,B,A);*/

//BEGIN
//...
//READLN;
//END.

//REAL --> FLOAT , DOUBLE
//INTEGER --> int

void setup()
{

size (400,400);
background(250);
//noLoop();
}
void draw()
{
//noStroke();
fill(250,50);
rect(0,0,400,400);

noFill();
strokeWeight(3);

if ((mouseX < 200) && (mouseY < 200))
{
ellipse(mouseX,mouseY,150,100);

}
else if((mouseX > 200) && (mouseY < 200))
{
ellipse(mouseX,mouseY,100,150);

}

else if ((mouseX < 200) && (mouseY > 200))

{
ellipse(mouseX,mouseY,100,100);
}

else

{
ellipse(mouseX,mouseY,random(100),random(100));
}

}