#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline void smin(T &a, T b) {
  a = a < b ? a : b;
}
template <typename T>
inline void smax(T &a, T b) {
  a = a > b ? a : b;
}
void err(istream_iterator<string> it) { cout << endl; }
template <typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
  cerr << *it << " = " << a << ", ";
  err(++it, args...);
}
template <typename T>
inline void Int(T &n) {
  n = 0;
  int f = 1;
  register int ch = getchar();
  for (; !isdigit(ch); ch = getchar())
    if (ch == '-') f = -1;
  for (; isdigit(ch); ch = getchar()) n = (n << 3) + (n << 1) + ch - '0';
  n = n * f;
}
template <typename T, typename TT>
inline void Int(T &n, TT &m) {
  Int(n);
  Int(m);
}
template <typename T, typename TT, typename TTT>
inline void Int(T &n, TT &m, TTT &l) {
  Int(n, m);
  Int(l);
}
const int mod = (int)1e9 + 7;
inline int add(int a, int b) {
  a += b;
  return a >= mod ? a - mod : a;
}
inline int sub(int a, int b) {
  a -= b;
  return a < 0 ? a + mod : a;
}
inline int mul(int a, int b) { return (long long)a * b % mod; }
const int inf = (int)2e9 + 5;
const long long Inf = (long long)2e18 + 5;
const int N = (int)2e5 + 5;
long long p, k;
long long calc(long long x) {
  x %= k;
  if (x < 0) x += k;
  x %= k;
  return x;
}
int solve() {
  Int(p, k);
  std::vector<long long> ans;
  while (p) {
    ans.push_back(calc(p));
    p -= calc(p);
    p /= (-k);
  }
  printf("%d\n", (int)ans.size());
  for (auto x : ans) {
    printf("%lld ", x);
  }
  printf("\n");
  return 0;
}
int main() {
  int test = 1, tc = 0;
  while (test--) {
    solve();
  }
  return 0;
}
