N,K = map(int, input().split())
all = N*(N+1)//2
U = set()
D = set()
for i in range(N+1):
    v = i*(i+1)//2
    U.add(v)
    D.add(all-v)
for u in U:
    if K-u in D:
        print(1)
        exit()
print(2)