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 ;
}
