NO
* Step 1: FromIts NO
    + Considered Problem:
        Rules:
          0. f2(A,B) -> f2(-2 + C,B) [0 >= 1 + A] (?,1)
          1. f2(A,B) -> f2(2 + C,B)  [A >= 1]     (?,1)
          2. f3(A,B) -> f2(A,B)      True         (1,1)
          3. f2(A,B) -> f300(A,C)    [A = 0]      (?,1)
        Signature:
          {(f2,2);(f3,2);(f300,2)}
        Flow Graph:
          [0->{0,1,3},1->{0,1,3},2->{0,1,3},3->{}]
        
    + Applied Processor:
        FromIts
    + Details:
        ()
* Step 2: CloseWith NO
    + Considered Problem:
        Rules:
          f2(A,B) -> f2(-2 + C,B)  [0 >= 1 + A]
          f2(A,B) -> f2(2 + C,B)   [A >= 1]
          f3(A,B) -> f2(A,B)       True
          f2(A,B) -> f300(A,C)     [A = 0]
        Signature:
          {(f2,2);(f3,2);(f300,2)}
        Rule Graph:
          [0->{0,1,3},1->{0,1,3},2->{0,1,3},3->{}]
    + Applied Processor:
        CloseWith False
    + Details:
        ()

NO