import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int m = 100;
		int m2 = 1000;

		int max = 0;
		for (int x = 1; x < m; x++) {
			for (int y = x + 1; y <= m; y++) {
				Map<Integer, Integer> map = new HashMap<>();
				int cnt = 0;
				for (int a = 0; a < m; a++) {
					for (int b = a + 1; b <= m; b++) {
						int v1 = (x + a) % b;
						int v2 = (y + a) % b;
						map.put(v1 * m2 + v2, a * m2 + b);
						cnt++;
					}
				}
				max = Math.max(max, map.size());
				if (map.size() == 3903) {
					System.out.println("? " + x);
					int v1 = sc.nextInt();
					System.out.println("? " + y);
					int v2 = sc.nextInt();
					int v = v1 * m2 + v2;
					int ab = map.get(v);
					int a = ab / m2;
					int b = ab % m2;
					System.out.println("! " + a + " " + b);
					sc.close();
					return;
				}
			}
		}
		sc.close();
		System.out.println(max);
	}
}