import java.util.Arrays;

public class Test {

	public static void main(String[] args) throws Exception {
		Sentence s1 = new Sentence(" Hello world !"); //order = 5
		Sentence s2 = new Sentence("Abc       def! ghijk"); //order = 5
		Sentence s3 = new Sentence("     Yaho"); //order = 4
		Sentence s4 = new Sentence("Computer                   "); //order = 8
		Sentence s5 = new Sentence(""); //order = 0
		Sentence[] arr = new Sentence[]{s1, s2, s3, s4, s5};
		Arrays.sort(arr);
		for (Sentence s : arr) {
			System.out.println(s);
		}
	}

}