YES

---- CR(R)
---- Hot decreasingness.
R:
+(0(),y) -> y
+(s(0()),y) -> s(y)
+(s(s(x)),y) -> s(s(+(y,x)))

C:
+(0(),y) -> y
+(s(0()),y) -> s(y)
+(s(s(x)),y) -> s(s(+(y,x)))

Label: