#include <iostream>

#define QUARTER 25
#define DIME 10
#define NICKEL 5
#define PENNY 1

using namespace std;

void computeChange(int& change,
			 int& quarters,
			 int& dimes,
			 int& nickels,
			 int& pennies);

int main() {
  int quarters = 0,
      dimes = 0,
      nickels = 0,
      pennies = 0,
      change = 0,
      given = 0,
      bill = 0;

  cout << endl << "How much is the bill? ";
  cin >> bill;

  cout << "How much are you giving to cover the cost? ";
  cin >> given;  

  change = given - bill;

  computeChange(change,
		quarters,
		dimes,
		nickels,
		pennies);

  cout << endl << "Your change is the following: " << endl
       << endl << "Quarters: " << quarters << endl
       << "Dimes: " << dimes << endl
       << "Nickels: " << nickels << endl
       << "Pennies: " << pennies << endl;
  return 0;
}

void computeChange(int &money,
			 int &quarters,
			 int &dimes,
			 int &nickels,
			 int &pennies) {

  quarters = money/QUARTER;
  money -= quarters * QUARTER;

  dimes = money/DIME;
  money -= dimes * DIME;

  nickels = money/NICKEL;
  money -= nickels * NICKEL;
 
  pennies = money/PENNY;
  money -= pennies * PENNY;
}