#include <fstream>

using namespace std;
ifstream cin("pozitiiconsecutive.in");
ofstream cout("pozitiiconsecutive.out");
int main()
{
    int a,b,c=0;
    cin>>b>>a;
    cout<<a<<' '<<b<<' ';
    while (c!=3){
        c=2*b-a+2;
        a=b;
        b=c;
        cout<<c<<' ';
    }
    cout<<0;
    return 0;
}