#!/bin/bash
gawk '
	BEGIN   {Unlog  = 0; 
		 OFS    = ","       
 		  Ee     = 848456353 / 312129649;
            	}
    NF == 3 { if (UnLog) { print Ee^$2 , Ee^$3} 
	      else     { print $2,$3 }
            }
    NF == 4    { print $2 , $4 }
' -