import java.util.*;

public class ElectBill

int ConsumerNo; /* to store consumer no. globally*/

String ConsumerName; /* to store the name of the person*/

int PrevReading; /* to store previous reading globally*/

int CReading; /* to store current reading globally*/

String EBConn; /* to get the type of user*/

double Bill; /*to generate bill*/

void input_data() /*void function to take inputs from the user*/

{

Scanner sc = new Scanner(System.in);

EBConn = sc.next(); /*take input of type of user*/

}

double calculate_bill() /* this is a return type double function for calculation of bill*/

{

int CurrReading; /* to take the diffrence between the previous reading and the current reading*/

}

return Bill; /* will return the calculated to the global variable bill*/

}

void display() /* printing the outputs */

{

System.out.println("----------------------------------");

System.out.println("Total Amount(Rs.): "+Bill);

}

}

class ElectBillGen extends ElectBill /* class to call functions of another class */

{

public static void main (String[] args) /* main function to call the other member functions*/