1.16/0.77	YES
1.16/0.77	
1.16/0.77	Proof:
1.16/0.78	This system is confluent.
1.16/0.78	By \cite{GNG13}, Theorem 9.
1.16/0.78	This system is of type 3 or smaller.
1.16/0.78	This system is deterministic.
1.16/0.78	This system is weakly left-linear.
1.16/0.78	System R transformed to optimized U(R).
1.16/0.78	This system is orthogonal.
1.16/0.78	
1.42/0.82	EOF