// Name:   
// Date:
 
import java.awt.Point;
import java.util.HashMap;
import java.util.Set;

class Island implements Comparable<Island>
{
   private int minDistance;
   private final Point loc;
   private HashMap<Island, Island> adj;
   private int dists[];
   
   /*  student code goes here  */

}

public class IslandFerries
{
   public static void main(String[] args)
   {
      /* Example 0 */
      String[] legs ={ "0-1 0-3", "0-2" };
      String[] costs ={ "5 7", "1000 1000", "1000 1000", "1000 1000" };
            /* Returns: { 5,  7,  5 } */
   
      /* Example 1 */   
      //String[] legs = { "0-1 1-2 2-3", "0-1 2-3" };
      //String[] costs = { "1 10", "20 25", "50 50", "1000 1000", "1000 1000" };
            /*Returns: { 1,  11,  31,  -1 }  */
   
      /* Example 2 */
      //String[] legs = { "0-1", "1-0", "0-2", "2-3" };
      //String[] costs = { "1 1 1000 1000", "1000 1000 10 100", "1000 1000 1000 1000", "1000 1000 1000 1000" };
            /*Returns: { 1,  12,  112 }*/
   
      /* Example 3 */
         // String[] legs = { "1-0" };
         // String[] costs = { "793", "350" };
             /*Returns: { -1 }  */
   
      /*Example 4 */
         // String[] legs = {"8-18 4-11 15-5 7-12 11-8 0-15 15-2 3-11 4-18 2-3",
         // "16-2 18-3 15-18 11-19 18-2 18-7 19-17 3-15 12-19",
         // "2-17 0-12 1-2 14-12 6-2 4-2 11-5 4-11 11-6 17-16",
         // "0-18 13-18 16-0 3-7 14-12 3-1 19-18 3-19 10-3 8-15",
         // "18-19 3-16 13-6 0-19 12-14 5-17 1-12 7-13 9-14 1-2",
         // "14-5 17-9 2-10 16-13 11-15 10-17 14-10 0-14 2-13",
         // "4-5 0-17 6-9 17-7 12-6 5-6 6-18 10-18 0-2 13-0 8-4",
         // "3-12 4-11 10-17 13-12 3-0 3-7 13-0 9-15 10-9 0-10" };
         // String[] costs = {"592 219 88 529 324 86 503 610",
         // "2 94 8 600 34 95 6 494",
         // "638 301 10 246 290 97 85 74",
         // "118 8 939 393 450 79 317 99",
         // "99 806 698 740 2 26 525 818",
         // "95 9 615 972 23 23 5 666",
         // "6 448 440 710 83 4 419 496",
         // "4 47 182 4 185 70 718 770",
         // "3 321 6 855 968 65 10 6",
         // "173 224 300 3 79 2 707 49",
         // "21 10 7 10 4 9 5 8",
         // "6 600 4 724 7 1 960 247",
         // "83 16 901 50 437 780 658 2",
         // "763 923 125 576 45 423 3 1",
         // "7 324 391 898 8 59 281 973",
         // "9 44 49 364 78 744 43 5",
         // "10 62 75 418 216 90 32 919",
         // "764 534 778 605 80 647 821 74",
         // "65 449 102 867 421 94 6 7",
         // "67 155 362 789 189 316 107 595" };
            /*Returns: { 170,  160,  155,  173,  145,  150,  158,  168,  153,  145,  162,  88,  162,  86,  163,  159,  153,  150,  104 } 
             */
   }
   
   public static int[] costs(String[] legs, String[] costs)
   {
      int[] toReturn = null;
      
      /*  student code goes here  */
      
      return toReturn;
   }
}