Thread: inStream practice problem not working?

Greeting,
Here is my code...
The question is that inStream has already been opened as a connection to an input file (data.dat) that contains the following data:
1 -2 3
4 -5 6
7 -8 9
and the the following declarations are in effect
int n1, n2, n3;
double r1, r2, r3;
char
c1, c2, c3,c4;

Code:

#include <iostream>	//cin,cout,<<,>>
#include <fstream>	//ifstream,ofstream	
#include <string>	//string, getline()
#include <cassert>	//assert()
using namespace std;

int n1, n2, n3;
double r1, r2, r3;
char c1, c2, c3, c4;

int main()
{
	cout << "This program computes values assigned to each of the variables \n"
                       << "in the input list and places its results in another file.\n\n";

	// ------------------input section--------------------------------

	cout << "Enter the name of the input file: ";
	  string inputFileName;
	getline(cin, inputFileName);	//get name of input file
	
	ifstream inStream;	//open an input stream to the input file
		inStream.open(inputFileName.data());	//establish a connection
	assert(inStream.is_open());	//check for success
	
	
		inStream >> c1 >> n1 >> r1 >> r2
		               >> n2 >> c2 >> c3 >> r3;	//read a value

		
	inStream.close();	//close the connection

	// ------------------------output section-------------------------

while(getchar() != '\n');

  cout << "Enter the name of the output file: ";
	string outputFileName;
	getline(cin, outputFileName);

	ofstream outStream(outputFileName.data());	//open an output stream to the output file
	// and establish a connection
	assert(outStream.is_open());	//check for success

	outStream  << c1 << n1 << r1 << r2
	                   << n2 << c2 << c3 << r3;	//write a value	
	
	outStream.close();	//close stream

	cout << "Processing complete.\n";

	return 0;
}

I should get the following answers according to the book:
c1 = '1' n1 = 23, r1 = 45.6 r2 = error--real numbers cant contain letters(ie 'X')

My is 1-234-567-8, I am
Can anyone explain why the book cam up with these answers to the practice problems?