#include<iostream>
#include<time.h>
#include<cstdlib>
#define int long long
using namespace std;
const int inf=1e9,mod=inf-1;
int gcd(int a,int b){
    if(b==0)return a;
    return gcd(b,a%b);
}
int ca(int a,int b){
    return gcd(abs(a),abs(b));
}
signed main(){
    srand(time(0));
    int s,xe;
    cin>>s>>xe;
    if(ca(s,xe)==1){
        cout<<"1\n"<<s<<"\n";
        return 0;
    }
    for(int i=1;i<=1000000;i++){
        int x=rand()+rand()+rand()-rand()-rand();
        x%=mod;
        int y=s-x;
        if(abs(x)>inf || abs(y)>inf)continue;
        if(ca(x,xe)!=1 || ca(y,xe)!=1)continue;
        cout<<2<<"\n"<<x<<" "<<y<<"\n";
        return 0;
    }
    for(int i=1;i<=1000000;i++){
        int x=rand()+rand()+rand()-rand()-rand();
        int y=rand()-rand()+rand()-rand()+rand();
        cout<<x<<" "<<y<<endl;
        int z=s-x-y;
        if(abs(x)>inf || abs(y)>inf || abs(z)>inf)continue;
        if(ca(x,xe)!=1 || ca(y,xe)!=1 || ca(z,xe)!=1)continue;
        cout<<3<<"\n"<<x<<" "<<y<<" "<<z<<"\n";
        return 0;
    }
}