import java.util.*;
public class changemakerj
{
static Scanner console=new Scanner (System.in);
static final double PRICE = 10.50;
public static void main (String[] Args)
{
double quantity,tprice,amtpaid,change1,chg$10,chg$5,chg$2,chg50,chg20,chg5,chg2,chg1;

System.out.println("Enter the quantity:");
quantity=console.nextInt();


System.out.printf("Total price %.2f.%n",tprice=quantity*PRICE,quantity);
System.out.println();

System.out.println("Amount paid");
amtpaid=console.nextDouble();
System.out.println();

;
System.out.printf("Change %.2f.%n",change1=amtpaid-tprice,amtpaid);
System.out.println();

chg$10=(int)(change1/10);
change1=change1 - (chg$10*10);
System.out.println((int)(chg$10)+ "10.00");


chg$5=(int)(change1/5);
System.out.println((int)(chg$5) + "5.00");
change1=change1 - (chg$5*5);

chg$2=(int)(change1/2);
System.out.println((int)(chg$2) + "2.00");
change1=change1 - (chg$2*2);

chg50=(int)(change1/0.5);
System.out.println((int)(chg50) + ":50cents");
change1=change1 - (chg50*0.5);

chg20=(int)(change1/0.2);
System.out.println((int)(chg20) + ":20cents");
change1=(int)change1 - (chg20*0.2);

chg5=(int)(change1/0.5);
System.out.println((int)(chg5) + ":5cents");
change1=change1 - (chg5*0.5);

chg2=(int)(change1/0.2);
}
}