from math import sqrt

s = int(input())

ANS = []
for i in range(15):
    l, r = 0, 10**10
    while r - l > 1:
        mid = (l + r) // 2
        if mid**2 > s:
            r = mid
        else:
            l = mid
    ANS.append(l**2)
    s -= l**2
    if s == 0:
        break
print(len(ANS))
print(*ANS)