#include <iostream>
#include <cmath>
using namespace std;

int main() 
{

   double iAmount_due { 0 };

   double iGiven_money { 0 };

   double iMoney_back; 

   iMoney_back = iGiven_money - iAmount_due;

   int iMoney100 { 0 };
   int iMoney50  { 0 };
   int iMoney20  { 0 };
   int iMoney10  { 0 };
   int iMoney5   { 0 };
   int iMoney2   { 0 };
   int iMoney1   { 0 };
   int iCent25   { 0 }; 
   int iCent10   { 0 };
   int iCent5    { 0 };
   int iCent1    { 0 };

   cout << "Enter the amount due please: " << endl;

   cin >> iAmount_due;

   cout << "Enter the amount given please: " << endl;

   cin >> iGiven_money;


   if (iGiven_money >= iAmount_due) {

      iMoney_back = iGiven_money - iAmount_due;

      cout << "We will give you : " << iMoney_back << " $ back" << endl;

   }

   else {

      cout << "No money back" << endl;

   }


   while (iGiven_money >= iAmount_due) {

       iMoney100 = iMoney_back / 100;
       iMoney_back = fmod(iMoney_back, 100);

       cout << "You will get: " << iMoney100 << " X 100 $ " << endl;

       iMoney50 = iMoney_back / 50;
       iMoney_back = fmod(iMoney_back, 50);

       cout << "You will get: " << iMoney50 << " X 50 $ " << endl;

       iMoney20 = iMoney_back / 20;
       iMoney_back = fmod(iMoney_back, 20);

       cout << "You will get: " << iMoney20 << " X 20 $ " << endl;

       iMoney10 = iMoney_back / 10;
       iMoney_back = fmod(iMoney_back, 10);

       cout << "You will get: " << iMoney10 << " X 10 $ " << endl; 

       iMoney5 = iMoney_back / 5;
       iMoney_back = fmod(iMoney_back, 5);

       cout << "You will get: " << iMoney5 << " X 5 $ " << endl; 


       iMoney2 = iMoney_back / 2;
       iMoney_back = fmod(iMoney_back, 2);

       cout << "You will get: " << iMoney2 << " X 2 $ " << endl; 

       iMoney1 = iMoney_back / 1;
       iMoney_back = fmod(iMoney_back, 1);

       cout << "You will get: " << iMoney1 << " X 1 $ " << endl;


       iCent25 = iMoney_back / 0.25;
       iMoney_back = fmod (iMoney_back, 0.25);

       cout << "You will get: " << iCent25 << " X 0.25 $ " << endl;


       iCent10 = iMoney_back / 0.10;
       iMoney_back = fmod (iMoney_back , 0.10);

       cout << "You will get: " << iCent10 << " X 0.10 $ " << endl;


       iCent5 = iMoney_back / 0.5;
       iMoney_back = fmod (iMoney_back , 0.5);

       cout << "You will get: " << iCent5 << " X 0.5 $ " << endl;

       iCent1 = (iMoney_back + .005) / 0.01;

       cout << "You will get: " << iCent1 << " X 0.01 $ " << endl;

       break;

   }

   return 0;
}