1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15

def solve(u, d):
	print(u)
	a, b = map(int, input().split())
	if b == 0:
		return (a > 0) + 1
	if d == -1:
		d = 2 * solve(a, -1) + 1
	d = d - 1
	if d % 2 == 0:
		return (d >> 1) + solve(b, (d >> 1)) + 1
	else:
		return (d >> 1) + solve(a, (d >> 1) + 1) + 1

ans = solve(1, -1);
print("Answer", ans);