n, k = map(int, input().split())
for i in range(1, n):
    kk = (n * (n + 1) - i * (i + 1)) // 2 - k
    if kk < 0:
        break
    if kk > i * (n - i):
        continue
    if kk % i == 0:
        print(1)
        exit()
print(2)