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)
						continue;
					if((z+q) == (s+l) && (z+l) > (s+q) && (z+s) < q)
					{
						if(l>q)
						{
							cout << "l " << l <<endl;
							cout << "q " << q <<endl;
							cout << "z " << z <<endl; 
							cout << "s " << s <<endl;
						}	
					}
				}
    return 0;
}


