1.35/0.81	YES
1.35/0.81	
1.35/0.81	Proof:
1.35/0.81	This system is confluent.
1.35/0.81	By \cite{GNG13}, Theorem 9.
1.35/0.81	This system is of type 3 or smaller.
1.35/0.81	This system is deterministic.
1.35/0.81	This system is weakly left-linear.
1.35/0.81	System R transformed to optimized U(R).
1.35/0.81	This system is orthogonal.
1.35/0.81	
1.46/0.84	EOF