int main()
{
	int z,q,s,l;
	for (z=10;z<=50;z=z+10)
		for (q=10;q<=50;q=q+10)
			for (s=10;s<=50;s=s+10)
				for (l=10;l<=50;l=l+10)
				{
					if (z==q || z==s || z==l || q==s || q==l ||s==l)
						continue;
					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;
}
