asale.java

package asale;

import java.text.ParseException;
import java.text.RuleBasedCollator;
import java.util.Scanner;

public class asale {
	public static void main(String[] args) throws ParseException {
		Scanner in = new Scanner(System.in);
		String primera;
		String segunda;
		
		String rules = "< a < b < c < ch < d < e < f < g < h < i < j < k < l < ll < m < n < ñ < o < p < q < r < s < t < u < v < w < x < y < z";

		RuleBasedCollator asaleCollator =new RuleBasedCollator(rules);
		
		while (in.hasNextLine()) {
			primera = in.next();
			segunda = in.next();
			if( asaleCollator.compare(primera, segunda) < 0)
				System.out.println(primera);
			else
				System.out.println(segunda);
			in.nextLine();
		}
		in.close();
	}
}