#include <bits/stdc++.h>
using namespace std;
int main() {
  int s, k, sum = 1, p = 2, i;
  vector<int> v, w;
  scanf("%d %d", &s, &k);
  v.push_back(0);
  v.push_back(1);
  for (i = 2;; i++) {
    if (sum > s) break;
    v.push_back(sum);
    sum += sum;
    p++;
    if (p > k) {
      p--;
      sum -= v[i - p];
    }
  }
  while (s) {
    for (i = v.size() - 1; i >= 0; i--) {
      if (v[i] > s) continue;
      s -= v[i];
      w.push_back(v[i]);
      break;
    }
  }
  if (w.size() == 1) w.push_back(0);
  printf("%d\n", w.size());
  for (i = 0; i < w.size(); i++) {
    if (i > 0) putchar(' ');
    printf("%d", w[i]);
  }
  puts("");
  return 0;
}
