## https://yukicoder.me/problems/no/2479

import math

def sq(S):
    low = 0
    high = 2 * int(math.sqrt(S))
    while high - low > 1:
        mid = (high + low) // 2
        if mid ** 2 <= S:
            low = mid
        else:
            high = mid
    if high ** 2 <= S:
        return high
    else:
        return low


def main():
    S = int(input())

    array = []
    s = S
    while s > 0:
        s_ = sq(s)
        array.append(s_ ** 2)
        s -= s_ ** 2
    print(len(array))
    print(" ".join(map(str, array)))

if __name__ == '__main__':
    main()