function Car ( brand, year){
  this.brand = brand;
  this.year = year;
  this.engine = "stopped";
}
Car.prototype.start = function(){
  this.engine = "started";
};
Car.prototype.stop = function(){
  this.engine = "stopped";
};
var oldChevy = new Car("chevy", 2020);
var newPorch = new Car ("porch", 2025);

function pretty (){
  this.me = "cash";
}