#include<bits/stdc++.h>
using namespace std;
#define IN inline
typedef long long ll;
const int maxn=2e5+10;
ll gcd(ll a,ll b){
	if(!b)return a;
	return gcd(b,a%b);
}
void solve(){
	int s,k;cin>>s>>k;
	if(gcd(s,k)==1)cout<<"1\n"<<s<<'\n';
	else{
		if(gcd(s-1,k)==1)cout<<"2\n"<<"1 "<<s-1<<'\n';
		else cout<<"3\n1 1 "<<s-2<<'\n';
	}
}
int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	//fstream in("in.txt",ios::in);cin.rdbuf(in.rdbuf());
	int T=1;//cin>>T;
	while(T--)solve();
	return 0;
}