#include <ctype.h>
#include <stdio.h>
#include <fstream>
#include <iostream>
#include <cstdlib>

using namespace std;

void add_plus_plus(ifstream& in_stream, ofstream& out_stream);


int main( )
{
ifstream fin;
ofstream fout;
char ch;

int count = 0;
int isalpha;
int isspace;

cout << "Begin editing files.\n";
fin.open("E:\\textin.txt");
if (fin.fail( ))
{
cout << "Input file opening failed.\n";
system ("pause");
exit(1);
}
fout.open("E:\\textOut.txt");
if (fout.fail( ))
{
cout << "Output file opening failed.\n";
system ("pause");
exit(1);
}

add_plus_plus(fin, fout);


fin.close( );
fout.close( );
cout << "End of editing files.\n";
system ("pause");
}
void add_plus_plus(ifstream& in_stream, ofstream& out_stream)
{
    char next, ch;
    int isalpha = 0;
    int isspace = 0;
    
    in_stream.get(next);
    while (!in_stream.eof( ))
    {
        if  (next == '-')
            ch = ' ';
        else if (isupper(next))
            ch = tolower(next);
        else if (isdigit(next))
            ch = '*';
        else ch = next;
        out_stream << ch;

      
        if (next == ch)
           isalpha++;

        if (next == ('.'))
        isspace++;
        
         if (next == ('*'))
        isspace++;
        
        if (next == (' '))
        isspace++;
        
        in_stream.get(next);

    }

    
   cout << "\nNumber of letters: " << isalpha <<endl;
     cout << "Number of spaces: " << isspace <<endl;
}