import java.util.*;
public class KasirSederhana
{
 public static void main(String[]args)
 {
  Scanner br=new Scanner(System.in);
  int menu=0;
  int pilihan;
  int porsi;
  int subtotal=0;
  int harga;
  int keluar=0;
  int total=0;

  do{

     System.out.println("Menu Makanan");
     System.out.println("============================");
     System.out.println("1. Nasi Goreng  = Rp.12000");
     System.out.println("2. Nasi Campur  = Rp.15000");
     System.out.println("3. Mie Goreng   = Rp.14000");
     System.out.println("4. Es Teh       = Rp.3000");
     System.out.println("5. Es Jeruk     = Rp.4000");
     System.out.println("============================");
     System.out.print("SILAHKAN PILIH MENU YANG ANDA INGINKAN[1-5]: ");
     pilihan=br.nextInt();

     switch(pilihan) {
    case 1: menu=12000;
    break;
    case 2: menu=15000;
    break;
    case 3: menu=14000;
    break;
    case 4: menu=3000;
    break;
    case 5: menu=4000;
    break;
    default:
     subtotal=0;
     System.out.println("Maaf menu yang anda pilih tidak tersedia !");
      }

     if (pilihan<=5){
   System.out.print("Masukkan jumlah porsi : ");
   porsi=br.nextInt();
   subtotal= menu * porsi;
   System.out.println("Subtotal : "+subtotal);

   }
   System.out.print("Beli lagi?[1=ya 0=tidak] : ");
   keluar=br.nextInt();
   total=total+subtotal;

  }
  while(keluar==1);{
   System.out.print("TOTAL Transaksi : " + total);
  }
 }
 }