/***********************
 *
 *   classname
 *
 *   Author:   Shawn Brenneman
 *   Date:     2015-
 *
 ***********************/
 import java.util.Scanner;
 public class BillsCoins 
 {
 public static void main(String[] args) {

    Scanner scan = new Scanner(System.in);

    System.out.print("Please enter dollars: ");
    int dollars = scan.nextInt();

    System.out.print("Please enter cents: ");
    int cents = scan.nextInt();
 
    int twenties, tens, fives, ones, quarters, dimes, nickels, pennies;

    if ((dollars >=0) && (cents>=0))
    {
       twenties = dollars/20;
       int dollarsLeft = dollars%20;
       tens = dollarsLeft/10;
       dollarsLeft = dollarsLeft%10;
       fives = dollarsLeft/5;
       ones = dollarsLeft%5;

       quarters = cents/25;
       int centsLeft = cents%25;
       dimes = centsLeft/10;
       centsLeft = centsLeft%10;
       nickels = centsLeft/5;
       pennies = centsLeft%5;

       System.out.println(dollars + " dollars and " + cents + " cents is:\n");

       if (twenties == 1){
           System.out.println("\t" + twenties + " twenty dollar bill");
       } else if (twenties > 1) {
           System.out.println("\t" + twenties + " twenty dollar bills");
       }

       if (tens == 1){
           System.out.println("\t" + tens + " ten dollar bill");
       } 

       if (fives == 1){
           System.out.println("\t" + fives + " five dollar bill");
       } 

       if (ones == 1){
           System.out.println("\t" + ones + " one dollar bill");
       } else if (ones > 1) {
           System.out.println("\t" + ones + " one dollar bills");
       }

       if (quarters == 1){
           System.out.println("\t" + quarters + " quarter");
       } else if (quarters > 1) {
           System.out.println("\t" + quarters + " quarters");
       }

       if (dimes == 1){
           System.out.println("\t" + dimes + " dime");
       } else if (dimes > 1) {
           System.out.println("\t" + dimes + " dimes");
       }

       if (nickels == 1){
           System.out.println("\t" + nickels + " nickel");
       }

       if (pennies == 1){
           System.out.println("\t" + pennies + " penny");
       } else if (pennies > 1) {
           System.out.println("\t" + pennies + " pennies");
       }




    } else {
        if (dollars < 0){
           System.out.println(dollars + " is an invalid number of dollars.");
        }
        if (cents < 0){
           System.out.println(cents + " is an invalid number of cents.");
        }
    } // if
    System.out.println();
 } //main 

 }