void setup(){
  size(300,300);
}

void draw(){

  myCar(2,"green");
}

void myCar(int size,String c){
  if(c == "red"){
    fill(#F50C0C);
  }
    else if(c == "blue"){
      fill(#0C50F5);

    }
    else if(c == "green"){
      fill(#0CF519);
    }
  rect(100,50,100,20);
  ellipse(100,70,20,20);
  ellipse(200,70,20,20);
}