import java.util.*;
        
        public class Main {
                public static void main(String[] args) {
                            Scanner sc = new Scanner(System.in);
                            
                                    String subInput = sc.nextLine().trim();
                                            String mainInput = sc.nextLine().trim();
                                            
                                                    List<Integer> subList = new ArrayList<>();
                                                            List<Integer> mainList = new ArrayList<>();
                                                            
                                                                    if (!parseList(subInput, subList) || !parseList(mainInput, mainList)) {
                                                                                    System.out.println("Invalid input");
                                                                                                return;
                                                                    }
                                                                    
                                                                            if (allSame(subList) || allSame(mainList)) {
                                                                                            System.out.println(-1);
                                                                                                        return;
                                                                            }
                                                                            
                                                                                    boolean found = false;
                                                                                            for (int i = 0; i <= mainList.size() - subList.size(); i++) {
                                                                                                            if (mainList.subList(i, i + subList.size()).equals(subList)) {
                                                                                                                                found = true;
                                                                                                                                                break;
                                                                                                            }
                                                                                            }
                                                                                            
                                                                                                    System.out.println(found ? "Sublist found" : "Sublist not found");
                }
                
                    private static boolean parseList(String input, List<Integer> list) {
                                String[] parts = input.split("\s+");
                                        for (String part : parts) {
                                                        try {
                                                                            int num = Integer.parseInt(part);
                                                                                            if (num < 0) return false; 
                                                                                                            list.add(num);
                                                        } catch (NumberFormatException e) {
                                                                            return false;
                                                        }
                                        }
                                                return true;
                    }
                    
                        private static boolean allSame(List<Integer> list) {
                                    return list.stream().allMatch(e -> e.equals(list.get(0)));
                        }
        }