---

# Клумба
# Ввод в одной строке: s p
s, p = map(int, input().split())

count = 0

for a in range(1, int(s**0.5) + 1):
    max_b = s // a
    
    for b in range(a, max_b + 1):
        area = a * b
        perimeter = 2 * (a + b)
        
        if area <= s and perimeter <= p:
            count += 1

print(count)