#include <bits/stdc++.h>   using namespace std;   using ll = long long;   using vi = vector<int>;   using vvi = vector<vi>;   using vll = vector<ll>;   using vvll = vector<vll>;   using vb = vector<bool>;   using vd = vector<double>;   using vs = vector<string>;   using pii = pair<int, int>;   using pll = pair<ll, ll>;   using pdd = pair<double, double>;   using vpii = vector<pii>;   using vpll = vector<pll>;   using vpdd = vector<pdd>;   template <typename T>   void ckmin(T& a, const T& b) {     a = min(a, b);   }   template <typename T>   void ckmax(T& a, const T& b) {     a = max(a, b);   }   mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());   namespace __input {   template <class T1, class T2>   void re(pair<T1, T2>& p);   template <class T>   void re(vector<T>& a);   template <class T, size_t SZ>   void re(array<T, SZ>& a);   template <class T>   void re(T& x) {     cin >> x;   }   void re(double& x) {     string t;     re(t);     x = stod(t);   }   template <class Arg, class... Args>   void re(Arg& first, Args&... rest) {     re(first);     re(rest...);   }   template <class T1, class T2>   void re(pair<T1, T2>& p) {     re(p.first, p.second);   }   template <class T>   void re(vector<T>& a) {     for (int i = 0; i < (int((a).size())); i++) re(a[i]);   }   template <class T, size_t SZ>   void re(array<T, SZ>& a) {     for (int i = 0; i < (SZ); i++) re(a[i]);   }   }  // namespace __input   using namespace __input;   namespace __output {   template <class T1, class T2>   void pr(const pair<T1, T2>& x);   template <class T, size_t SZ>   void pr(const array<T, SZ>& x);   template <class T>   void pr(const vector<T>& x);   template <class T>   void pr(const set<T>& x);   template <class T1, class T2>   void pr(const map<T1, T2>& x);   template <class T>   void pr(const T& x) {     cout << x;   }   template <class Arg, class... Args>   void pr(const Arg& first, const Args&... rest) {     pr(first);     pr(rest...);   }   template <class T1, class T2>   void pr(const pair<T1, T2>& x) {     pr( { , x.first,  ,  , x.second,  } );   }   template <class T, bool pretty = true>   void prContain(const T& x) {     if (pretty) pr( { );     bool fst = 1;     for (const auto& a : x) pr(!fst ? pretty ?  ,   :     :   , a), fst = 0;     if (pretty) pr( } );   }   template <class T>   void pc(const T& x) {     prContain<T, false>(x);     pr(  n );   }   template <class T, size_t SZ>   void pr(const array<T, SZ>& x) {     prContain(x);   }   template <class T>   void pr(const vector<T>& x) {     prContain(x);   }   template <class T>   void pr(const set<T>& x) {     prContain(x);   }   template <class T1, class T2>   void pr(const map<T1, T2>& x) {     prContain(x);   }   void ps() { pr(  n ); }   template <class Arg>   void ps(const Arg& first) {     pr(first);     ps();   }   template <class Arg, class... Args>   void ps(const Arg& first, const Args&... rest) {     pr(first,    );     ps(rest...);   }   }  // namespace __output   using namespace __output;   namespace __algorithm {   template <typename T>   void dedup(vector<T>& v) {     sort((v).begin(), (v).end());     v.erase(unique((v).begin(), (v).end()), v.end());   }   template <typename T>   typename vector<T>::const_iterator find(const vector<T>& v, const T& x) {     auto it = lower_bound((v).begin(), (v).end(), x);     return it != v.end() && *it == x ? it : v.end();   }   template <typename T>   size_t index(const vector<T>& v, const T& x) {     auto it = find(v, x);     assert(it != v.end() && *it == x);     return it - v.begin();   }   template <typename T1, typename T2>   typename vector<pair<T1, T2>>::iterator lower_bound(       const vector<pair<T1, T2>>& v, const T1& x) {     return lower_bound(         (v).begin(), (v).end(), x,         [](pair<T1, T2> a, pair<T1, T2> b) { return a.first < b.first; });   }   template <typename T1, typename T2>   typename vector<pair<T1, T2>>::iterator upper_bound(       const vector<pair<T1, T2>>& v, const T1& x) {     return upper_bound(         (v).begin(), (v).end(), x,         [](pair<T1, T2> a, pair<T1, T2> b) { return a.first < b.first; });   }   }  // namespace __algorithm   using namespace __algorithm;   struct __monostate {     friend istream& operator>>(istream& is,                                const __attribute__((unused)) __monostate& ms) {       return is;     }     friend ostream& operator<<(ostream& os,                                const __attribute__((unused)) __monostate& ms) {       return os;     }   } ms;   namespace __io {   void setIn(string second) { freopen(second.c_str(),  r , stdin); }   void setOut(string second) { freopen(second.c_str(),  w , stdout); }   void setIO(string second =   ) {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout << setprecision(15);     if (int((second).size())) {       setIn(second +  .in ), setOut(second +  .out );     }   }   }  // namespace __io   using namespace __io;   int main() {     setIO();     ll P;     int K;     re(P, K);     vi poly;     while (P) {       int rem = P % K;       if (int((poly).size()) & 1) {         rem = rem ? K - rem : 0;         poly.push_back(rem);         P = (P + rem) / K;       } else {         poly.push_back(rem);         P = (P - rem) / K;       }     }     ps(int((poly).size()));     pc(poly);     return 0;   }