public class Sales {
    public static void main (String[] args) {

        System.out.println("What is the total sales charge");
        double tsales = IO.readDouble();

        System.out.println("How much is the customer giving");
        double paid = IO.readDouble();

        if (paid < tsales) {
            IO.reportBadInput();
            return;
        }

        int twenty = 0;
        int ten = 0;
        int five = 0;
        int one = 0;
        int quarter = 0;
        int dime = 0;
        int nickel = 0;
        int penny = 0;

        double owe = paid - tsales;

        if (owe > 20) {
            while (owe > 20) {
                twenty ++;
                owe = owe - 20;
            }

            System.out.println(twenty + " $20 bills");
        }

        if (owe > 10) {
            while (owe > 10) {
                ten ++;
                owe = owe - 10;
            }

            System.out.println(ten + " $10 bills");
        }

        if (owe > 5) {
            while (owe > 5) {
                five ++;
                owe = owe - 5;
            }

            System.out.println(five + " $5 bills");
        }

        if (owe > 1) {
            while (owe > 1) {
                one ++;
                owe = owe - 1;
            }

            System.out.println(one + " $1 bills");
        }

        if (owe > 0.25) {
            while (owe > 0.25) {
                quarter ++;
                owe = owe - 0.25;
            }

            System.out.println(quarter + " Quarters");
        }

        if (owe > 0.10) {
            while (owe > 0.10) {
                dime ++;
                owe = owe - 0.10;
            }

            System.out.println(dime + " Dimes");
        }

        if (owe > 0.05) {
            while (owe > 0.05) {
                nickel ++;
                owe = owe - 0.05;
            }

            System.out.println(nickel + " Nickels");
        }

        if (owe > 0.01) {
            while (owe > 0.01) {
                penny ++;
                owe = owe - 0.01;
            }

            System.out.println(penny + " Pennies");
        } else{

            System.out.println("No Bills");
        }

    }
}