query for fetching multiple input values for the same field

Hi,

i am trying to do a query operation for fetching data for a single filed with multiple inputs.

for eg:

below query , i will be able to fetch data for input field Number is equal to 2

http://usphik2d.us.kellogg.com:8000/sap/opu/odata/SAP/Z_POC_SRV/samplesalesmultiple1Set?$filter=Number eq '2'

i would like to fetch the values for input field Number is equal to 2 and 3 also..

-Madhav