class City implements Comparable<City>{
	private String name;
	
	City(String name){
		this.name=name;
	}
	public String getName(){
		return name;
	}
	public String toString(){
		return name;
	}
	public int compareTo(City other){
		if(name.equals(other.getName())){
			return 0;
		}else if(name.compareTo(other.getName())>0){
			return 1;
		}else{
			return -1;
		}
	}
}