#include <bits/stdc++.h>
using namespace std;
using i64 = int64_t;
using u64 = uint64_t;

#define int i64
void solve() {
    int s, x; cin >> s >> x;
    if (gcd(s, x) == 1) {
        cout << 1 << "\n";
        cout << s << "\n";
		  return;
    }
    {
        auto time = chrono::high_resolution_clock::now();
        mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
        using chrono_literals::operator""ms;
        while (chrono::high_resolution_clock::now() - time < 800ms) {
            int t = rng() % int(1e9 - 7) + 1;
            if (gcd(t, x) == 1 && gcd(s - t, x) == 1) {
                cout << 2 << "\n";
                cout << t << " " << s - t << "\n";
                return;
            }
        }
        while (true) {
            int t1 = 1, t2 = rng() % (x - 1) + 1;
            if (gcd(t2, x) == 1 && gcd(s - t1 - t2, x) == 1) {
                cout << 3 << "\n";
                cout << 1 << " " << t2 << " " << s - t1 - t2 << "\n";
                return;
            }
        }
    }

}
#undef int

// Make bold hypotheses and verify carefully
int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
    }
}