N, K = map(int, input().split())
S, SS = set(), set()
for i in range(N + 1):
    S.add(i * (i + 1)//2)
    SS.add(N * (N + 1)//2 - i * (i + 1)//2)

for s in S:
    if K - s in SS:
        print(1)
        exit()
print(2)