加總 0 不重複提出 (15297)

E2{=INDEX(B:B,SMALL(IF((MATCH($B$2:$B$16,$B:$B,)=ROW($2:$16))*(SUMIF($B:$B,$B$2:$B$16,$C:$C)=0),ROW($2:$16),99),ROW(A1)))&""