import java.util.*;

public class SublistChecker {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String sublistLine = sc.nextLine().trim();
        String mainlistLine = sc.nextLine().trim();

        String[] subTokens = sublistLine.split("\\s+");
        String[] mainTokens = mainlistLine.split("\\s+");

        // Constraint check: sublist length must be ≤ mainlist length, and mainlist ≤ 100
        if (subTokens.length < 1 || subTokens.length > mainTokens.length || mainTokens.length > 100) {
            System.out.println("Invalid input");
            return;
        }

        int[] sublist = new int[subTokens.length];
        int[] mainlist = new int[mainTokens.length];

        try {
            for (int i = 0; i < subTokens.length; i++) {
                sublist[i] = Integer.parseInt(subTokens[i]);
            }
            for (int i = 0; i < mainTokens.length; i++) {
                mainlist[i] = Integer.parseInt(mainTokens[i]);
            }
        } catch (Exception e) {
            System.out.println("Invalid input");
            return;
        }

        // Check if all elements in mainlist are the same
        boolean allSame = true;
        for (int i = 1; i < mainlist.length; i++) {
            if (mainlist[i] != mainlist[0]) {
                allSame = false;
                break;
            }
        }
        if (allSame) {
            System.out.println("-1");
            return;
        }

        // Check for contiguous sublist match
        boolean found = false;
        for (int i = 0; i <= mainlist.length - sublist.length; i++) {
            boolean match = true;
            for (int j = 0; j < sublist.length; j++) {
                if (mainlist[i + j] != sublist[j]) {
                    match = false;
                    break;
                }
            }
            if (match) {
                found = true;
                break;
            }
        }

        System.out.println(found ? "Sublist found" : "Sublist not found");
    }
}