How to change query results in Bex query designer?

How to change query results in Bex query designer?

Ex: Created a query and executed the query, now wnt to modify the query output data.

Query is giving Material as

100, 101,102...ect in the results (which is there in the CUBE) but i want to get material as 0,0,0 instead of numbers in

query out put with out making changes in CUBE data.