import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
 
class Idiom112
{
	public static void main (String[] args)
	{
		SortedMap<Integer, String> mymap = new TreeMap<>();
		mymap.put(5, "five");
		mymap.put(2, "two");
		mymap.put(8, "eight");
		mymap.put(6, "six");
		mymap.put(1, "one");
 
 		for(Map.Entry<Integer, String> e: mymap.entrySet())
			System.out.println("Key=" + e.getKey() + ", Value=" + e.getValue());
	}
}