#include <iostream>
#include <fstream>


using namespace std;

int main( )
{
ifstream fin;
ofstream fout;

fin.open("income.dat");
if (fin.fail( ))
{
cout << "Input file opening failed.\n";
exit(1);
}

fout.open("total.dat");
if (fout.fail( ))
{
cout << "Output file opening failed.\n";
exit(1);
}

double next, sum = 0;
int count = 0;
while (fin >> next )
{
sum = sum + next;
count ++;

}


fin.close( );
fout.close( );

cout << "End of program.\n";
return 0;
}


i wan to make a program tat can read all the number in the file.....but it cant .... y?