class MyKey {
	
	private String name=null;
	private int age;
	
	public MyKey(String name,int age)
	{
		this.name=name;
		this.age=age;
	}
	
	public boolean equals(Object obj)
	{
		if(obj instanceof MyKey)
		{	
			MyKey tmp=(MyKey)obj;
			if(age==tmp.age)
				return true;
				else return false;		
		}
		else return false;
	}
	
	public int hashCode()
	{
		return age;
	}
	
	public String toString()
	{
		return name+" "+age;
	}
}