#include <iostream>            
#include <iomanip>        
#include <fstream>
using namespace std;

void process (double num, double den);
double quotient (double dvdend, double dvsor);

int main()
{
    //1. Declares a variable named inFile that represents an input stream.
    ifstream inFile;
    //2. Declares variables named dividend and divisor that hold REAL numbers.
    double dividend, divisor;
    //3. Opens the file input.txt (must be in the same folder where your program is executing).
    inFile.open ("input.txt");
    //4. if the file could not be opened
    if (!inFile)
    {
        //Prints on the screen “Could not open the input file!”
        cout << "Error opening file.\n";
        //Finishes the program returning a 1.
        return 1;
    }
    //5. Gets a couple of values from the file and stores them in dividend and divisor respectively.
    inFile>>dividend;
    inFile>>divisor;
    //6. Calls function process( ) to process these two values according to the explanation shown below.
    process(dividend,divisor);
    //7. Closes the file.
    inFile.close();
    return 0;
}
void proccess (double num, double den)
{
    //1. declares a local variable named division that holds real numbers.
    double  division;
    //2. if num is not zero
    if (den!=0)
    {
        //Assigns to division the value returned by the function called quotient( ).
        division = quotient (num, den);
        //Prints a message like the one below (fixed format with two decimal digits):
        cout<<num<<" divided by "<< den<< " is "<<division<<endl;
        //AA.AA divided by BB.BB is CC.CC
    }
    else
    {
        cout<<"Sorry, cannot solve division by zero!"<<endl;
    }
}
double quotient(double dvdend, double dvsor)
{
    double dvsion;
    dvsion = dvdend/dvsor * 100.00;
    return dvsion;
}