Okay, so after we installed because of we need to get a data set, so, how can we get a data set? So we can actually go to Risa rica location or your chi installation directory properties or open file location. So in this Vika installation directory, we actually have the data in this data folder here in this folder here so we have all the data in this format and then we need to use this data set because Java so I will copy this data folder and we call library file here. For my cell phone for me, I put in these are the dry I will be placed applying location. Then this is where this is how I get order data set and we call libraries