#include <iostream>
#include <string>

using namespace std;

void TellAboutString(string word);
void MessWithString(string & word);
//int NumberOfLetters(string word);

int main() {
	
	string one;
	string two = "a";
	string three = "a b c";
	
	TellAboutString(one);
	TellAboutString(two);
	cout << "two = \"" << two << "\"" << endl;
	TellAboutString(three);

    cout << endl << endl;
	
	
    cout << " three is " << three << endl;
	MessWithString(three);
	cout << " three is " << three << endl;

	
	return 0;
}


void MessWithString(string & word) {
	 word = "I have been messed with";
	 
	 return;
}


void TellAboutString(string word) {
	  cout << "\tThe string is \"" << word << "\"" << endl;
	  cout << "\t\tThat string is " << word.size() 
	       << " characters long" << endl;
	  
	  word = "hello world";
	  cout << "Word is now " << word << endl;
	  
	  return;
}