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)));
    }
}