import sys
from collections import deque, Counter
sys.setrecursionlimit(5 * 10 ** 5)
from pypyjit import set_param
set_param('max_unroll_recursion=-1')
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353

n, k = mi()

a = list(range(1, n + 1))

k = sum(a) - k

right = 0
#n -> 数列の長さ
s = 0
ans = 2
for left in range(n):
    while right < n:
        s += a[right]
        if s <= k:
            right += 1
        else:
            s -= a[right]
            break

    if s == k:
        ans = 1

    if right == left:
        right += 1
    else:
        s -= a[left]
print(ans)