import sys
input = lambda : sys.stdin.readline().rstrip()

sys.setrecursionlimit(2*10**5+10)
write = lambda x: sys.stdout.write(x+"\n")
debug = lambda x: sys.stderr.write(x+"\n")
writef = lambda x: print("{:.12f}".format(x))

x,y = list(map(int, input().split()))
eps = 10**-7
def isqrt(n):
    """x*x<=nなる最大のx
    """
    x,y = n, (n+1)//2
    while y<x:
        x,y = y, (y + n//y) // 2
    return x
def sub(x):
    ans = 0
    for v in range(x):
        vv = x - v*v
        if vv<=0:
            break
        if (int((vv**0.5)+eps)**2 - vv) == 0:
            ans += 4
#             print(v,vv)
    return ans
vals = [0]*(y+1)
for v in range(4000):
    if v*v>=y:
        break
    v2 = v*v
    for u in range(4000):
        u2 = u*u
        if v2 + u2>y:
            break
        vals[v2+u2] += 4
#         if v2+u2==25:
#             print(v,u)
ans = max(vals[x:])
print(ans)