import java.util.Scanner;

public class Payroll7
  /** This class demonstrates counting and summing 
    * */
{
  public static void main(String[] args)
  {
    Scanner scanner = new Scanner(System.in);
    int numEmployees=0; //use this as my counter 
    int idnum=0;
    double totalWages=0.0;
    
    Scanner keyboard = new Scanner(System.in);
    System.out.print("Enter ID number of employee, -1 to exit: ");
    idnum = keyboard.nextInt();
   // REPEAT the next block until user enters -1 as idnum
    while(idnum != -1) {
         numEmployees++; 
         System.out.printf("Enter hours and rate for employee #%d: ",idnum);
         int hoursWorked=scanner.nextInt();
         double payPerHour=scanner.nextDouble();
    
         // calculate pay
         double weeklySalary=0.0;  
    
         if (hoursWorked > 40) {
              System.out.println("You worked overtime!");
              // now let's calculate weekly salary with 1 1/2 pay for overtime
              weeklySalary = (hoursWorked-40)*1.5*payPerHour+40*payPerHour;
         }
         else {
              weeklySalary = hoursWorked * payPerHour;
         }
    
         totalWages+=weeklySalary;
         System.out.printf("Weekly salary for employee #%d is: $%.2f. You worked %d " 
                      + "hours at %.2f rate.\n", idnum, weeklySalary,hoursWorked,
                                               payPerHour);
         
         System.out.print("Enter ID number of employee, -1 to exit: ");
         idnum = keyboard.nextInt();
    }
    // fell out of loop, numEmployees should contain number of employees
    // that were processed
    System.out.println("The number of employees processed is: " + numEmployees
                         + " and the total wages to pay is: " + totalWages);
  }
}