/* -*- coding: utf-8 -*-
 *
 * 2479.cc:  No.2479 Sum of Squares - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_N = 15;

/* typedef */

typedef long long ll;

/* global variables */

ll as[MAX_N];

/* subroutines */

inline int sqrti(ll s) {
  int t0 = 0, t1 = 1000000000 + 1;
  while (t0 + 1 < t1) {
    int t = (t0 + t1) / 2;
    if ((ll)t * t > s) t1 = t;
    else t0 = t;
  }
  return t0;
}

/* main */

int main() {
  ll s;
  scanf("%lld\n", &s);

  int n = 0;
  while (s > 0) {
    int t = sqrti(s);
    ll tt = (ll)t * t;
    as[n++] = tt;
    s -= tt;
  }

  printf("%d\n", n);
  for (int i = 0; i < n; i++)
    printf("%lld%c", as[i], (i + 1 < n) ? ' ' : '\n');

  return 0;
}