def F(a, n):
    return (a + a + n - 1) * n // 2


A = int(input())
ans = "NO"
for n in range(3, A+1):
    if F(1, n) > A:
        break
    l = 0
    r = A
    while r - l > 1:
        m = (r + l) // 2
        if F(m, n) <= A:
            l = m
        else:
            r = m
    if F(l, n) == A:
        ans = "YES"
        break

print(ans)