#include <bits/stdc++.h>
const double eps = 0.0000001;
using namespace std;
inline int sgn(double x) { return (x > eps) - (x < -eps); }
inline char gc() {
  static char buf[1 << 16], *S, *T;
  if (S == T) {
    T = (S = buf) + fread(buf, 1, 1 << 16, stdin);
    if (S == T) return EOF;
  }
  return *S++;
}
inline int read() {
  register int x = 0, f = 1;
  register char c = getchar();
  while (c < '0' || c > '9') {
    if (c == '-') f = -1;
    c = getchar();
  }
  while (c >= '0' && c <= '9')
    x = (x << 3) + (x << 1) + (c ^ 48), c = getchar();
  return x * f;
}
long long f[(long long)1e5];
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long n = 3;
  f[1] = 1;
  f[2] = 1;
  long long s, k;
  cin >> s >> k;
  for (; f[n - 1] < s; ++n) {
    f[n] = 2 * f[n - 1] - (n - k - 1 < 0 ? 0 : f[n - k - 1]);
  }
  vector<int> v;
  n;
  while (s) {
    if (s >= f[n]) {
      s = s - f[n];
      v.push_back(f[n]);
    }
    n--;
  }
  if (v.size() < 2) v.push_back(0);
  cout << v.size() << endl;
  for (int i = 0; i < v.size(); ++i) cout << v[i] << " ";
}
