Try this
=If(Sum([a]) ForEach(Code) In ([ID])=1 And Sum([b]) ForEach(Code) In ([ID])=1 And Sum([c]) ForEach(Code) In ([ID])=1 ; "Yes"; "No")
Try this
=If(Sum([a]) ForEach(Code) In ([ID])=1 And Sum([b]) ForEach(Code) In ([ID])=1 And Sum([c]) ForEach(Code) In ([ID])=1 ; "Yes"; "No")