int main()
{
	int z,q,s,l;
	for (z=10;z<=50;z+=10)
	{
			for (q=10;q<=50;q+=10)
			{
					for (s=10;s<=50;s+=10)
					{
							for (l=10;l<=50;l+=10)
							{
								if (((z+q)==(s+l))&&((z+l)>(s+q))&&((z+s)<q))
								{
									cout << "l " << l << endl;
								    cout << "q "<< q << endl;
									cout << "z " << z <<endl;								
									cout << "s " << s << endl;
								}
							}
					}
			}
	}
	return 0;
}
