#include <bits/stdc++.h>
using namespace std;
#define ll long long

int main() {
  ll s, x;
  cin>>s>>x;
  if(__gcd(s, x)==1) {
    cout<<1<<endl;
    cout<<s<<endl;
    return 0;
  }
  vector<ll> coPrime;
  for(ll i=1; coPrime.size()<2500; i++) {
    if(__gcd(x, i)==1) {
      coPrime.push_back(i);
    }
  }
  for(int i=0; i<coPrime.size(); i++) {
    ll target = -(-s+coPrime[i]);
    if(__gcd(x, target)==1) {
      cout<<2<<endl;
      cout<<coPrime[i]<<" "<<target<<endl;
      return 0;
    }
    target = -(-s-coPrime[i]);
    if(__gcd(x, target)==1) {
      cout<<2<<endl;
      cout<<-coPrime[i]<<" "<<target<<endl;
      return 0;
    }
  }
  for(int i=0; i<coPrime.size(); i++) {
    for(int j=0; j<coPrime.size(); j++) {
      for(int si=-1; si<=1; si+=2) {
        for(int sj=-1; sj<=1; sj+=2) {
          ll target = -(si*coPrime[i] + sj*coPrime[j] - s);
          if(__gcd(target, x)==1) {
            cout<<3<<endl;
            cout<<si*coPrime[i]<<" "<<sj*coPrime[j]<<" "<<target<<endl;
            return 0;
          }
        }
      }
    }
  }
  return 0;
}