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#include<iostream>
#include<cstdlib>
#include<ctime>

using namespace std;

int main()
{
    srand(time(0));
    int i,j,k=0,l=0,muw,mtp,n1=0,r,n2=0,n3=0,n4=0,n5=0,n6=0,n7=0,n8=0,n9=0;
    i=rand();
    cout<<"Price of A Product is : "<<i<<endl;
    cout<<"\nHow much money you want to pay in Taka?"<<endl;
    cout<<"Enter the amount you want to pay :"<<endl;
    cin>>muw;

    do
    {
       if(muw<i)
       {
            cout<<"\nNot enough!!\nAdd more "<<i-muw<<" TK"<<endl;
            cin>>mtp;
            muw=muw+mtp;
       }

    }while(muw<i);

    r=muw-i;
    j=r;
    do
    {
        if(j>=1000)
        {
            //1000tk
            k=k+1000;
            j=j-1000;
            l=l+1;
            n9=n9+1;
        }
        else if((j>=500)&&(j<1000))
        {
            //500tk
            k=k+500;
            j=j-500;
            l=l+1;
            n1=n1+1;
        }
        else if((j>=100)&&(j<500))
        {
            //100tk
            k=k+100;
            j=j-100;
            l=l+1;
            n2=n2+1;
        }
        else if((j>=50)&&(j<100))
        {
            //50tk
            k=k+50;
            j=j-50;
            l=l+1;
            n3=n3+1;
        }
        else if((j>=20)&&(j<50))
        {
            //20tk
            k=k+20;
            j=j-20;
            l=l+1;
            n4=n4+1;
        }
        else if((j>=10)&&(j<20))
        {
            //10tk
            k=k+10;
            j=j-10;
            l=l+1;
            n5=n5+1;
        }
        else if((j>=5)&&(j<10))
        {
            //5tk
            k=k+5;
            j=j-5;
            l=l+1;
            n6=n6+1;
        }
        else if((j>=2)&&(j<5))
        {
            //2tk
            k=k+2;
            j=j-2;
            l=l+1;
            n7=n7+1;
        }
        else if((j<=1)&&(j<2)&&(j!=0))
        {
            //1tk
            k=k+1;
            j=j-1;
            l=l+1;
            n8=n8+1;
        }
    }while(k<r);
    cout<<"\nReturn back amount is "<<r<<" TK"<<endl;
    cout<<"\nTotal Notes : "<<l<<endl;

    if(n8!=0)
    {
        cout<<"Total Notes of 1tk : "<<n8<<endl;
    }
    if(n7!=0)
    {
        cout<<"Total Notes of 2tk : "<<n7<<endl;
    }
    if(n6!=0)
    {
        cout<<"Total Notes of 5tk : "<<n6<<endl;
    }
    if(n5!=0)
    {
        cout<<"Total Notes of 10tk : "<<n5<<endl;
    }
    if(n4!=0)
    {
        cout<<"Total Notes of 20tk : "<<n4<<endl;
    }
    if(n3!=0)
    {
        cout<<"Total Notes of 50tk : "<<n3<<endl;
    }
    if(n2!=0)
    {
        cout<<"Total Notes of 100tk : "<<n2<<endl;
    }
    if(n1!=0)
    {
        cout<<"Total Notes of 500tk : "<<n1<<endl;
    }
    if(n9!=0)
    {
        cout<<"Total Notes of 1000tk : "<<n9<<endl;
    }

}