FILING IN C/C++ SYNTAX

Write a user-defined function in C++ to read the content from a text file OUT.TXT, count and display the number of alphabets present in it.

#include<iostream>
#include<fstream>
#include<string>
using namespace std;
void countDisplay();
main()
{
countDisplay();     
}
      void countDisplay()
      {
      int count=0,ans=0;
      ifstream myFile("Out.txt");
      char a[40];
      while(!myFile.eof())
                    {
                               myFile >> a;
                               count=strlen(a);
                               ans=ans+count;
                               cout << a<<endl;
                    }
cout<<"\nThere are total of "<<ans<<" Characters in this file\n\n";
system("pause");
}