int value = 0;
void setup()
{
size(500,500);  
 background(122,122,122);
}
void draw() {

}

void mouseClicked() {
 background(122,122,122);
for (int i = 0; i< 500;i+=25)
{
for (int k = 0; k< 500;k+=25)
{
fill(255,0,0);
ellipse(i,k,int(random(25)),int(random(25)));
}

}
  }