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