What function or formula should I use?

Question

excel

There is a table with products in which values ​​are not repeated.
You need to find the product to which product it belongs.
THOSE. if I enter values ​​into the list, then it gives me which product it belongs to.

Answer 1

=INDEX(A$1:E$1;;SUMPRODUCT((A13=A$2:E$7)*COLUMN(A:E)))
Thanks Man from another forum.