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 && z != s && z != l && q != s && q != l && s != l)
		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;
	
}