//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2")
//#pragma GCC optimize("Ofast","unroll-loops","inline")
#include<bits/stdc++.h>
#define ll long long
//#define int ll
#define pb push_back
#define pii pair<int,int>
#define MP make_pair
#define fi first
#define se second
using namespace std;
const int N=5e5+10,M=1e6+10,mod=998244353;
const int Inf=1e9;
int s,x;
signed main(){
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>s>>x;
	if(__gcd(s,x)==1) return cout<<1<<'\n'<<s<<'\n',0;
	if(x%2==0&&s%2==1){
		cout<<3<<'\n';
		for(int i=1;;i+=2) if(__gcd(i,x)==1){
			if(__gcd(s+2*i,x)==1&&abs(s+2*i)<=Inf) return cout<<-i<<' '<<-i<<' '<<s+2*i<<'\n',0;
			if(__gcd(s-2*i,x)==1&&abs(s-2*i)<=Inf) return cout<<i<<' '<<i<<' '<<s-2*i<<'\n',0;
		}
		return 0;
	}
	cout<<2<<'\n'; 
	for(int i=1;;i+=2) if(__gcd(i,x)==1){
		if(__gcd(s+i,x)==1&&abs(s+i)<=Inf) return cout<<-i<<' '<<s+i<<'\n',0;
		if(__gcd(s-i,x)==1&&abs(s-i)<=Inf) return cout<<i<<' '<<s-i<<'\n',0;
	}
	return 0;
}