#include <bits/stdc++.h>
using namespace std;
#define pi 3.14159265358979323846
#define int long long
const int inf = 1e9;
const int MOD = 998244353;
const int N = 200005;
std:: mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void solve()
{
    int s,x;
    cin >> s >> x;
    if(__gcd(s,x) == 1){
        cout << 1 << "\n";
        cout << s ;
        return ; 
    }
    if(s % 2 == 1){
        cout << 3 << "\n";
        cout << 1 << " ";
        s--;
    }
    else cout << 2 << "\n";
    while(true){
        int a = inf - rng() % x;
        int b = s - a;
        if(b < -inf){
            int t = -(inf + b);
            t = (t + x - 1) / x*x;
            a+=t;
            b-=t;
        }
        if(abs(a) > inf || abs(b) > inf || __gcd(a,x) != 1 || __gcd(b,x) != 1){
            continue;
        }
        cout << a << " " << b << "\n";
        return ;
    }
   
}


signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
   // cin >> t;
    while (t--)
    {
        solve();
    }
}