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)));
                }
}