#include <iostream>
#include <fstream>
#include <iomanip>
#include <cassert>
#include <sstream>
using namespace std;

int main()
{
   string date = "U.S. independence:  July 4, 1776";

   istringstream istr(date);

   string word1, word2, month;
   int day, year;
   char comma;

   istr >> word1 >> word2 >> month >> day >> comma >> year;
   cout << "Contents of string stream istr, one word per line:\n"
        << word1 << '\n' << word2 << '\n' << month << '\n' 
        << day << comma << '\n' << year << '\n' << endl;

   const int Y2K = 1999;
   ofstream outfile("file5-2.out");
   assert(outfile.is_open());

   ostringstream ostr;

   ostr << word1 << "bicentennial: " << month 
        << setw(2) << day << ", " << year + 200 << endl;
   
   cout << "Contents of string stream ostr:\n" << ostr.str();
   outfile << ostr.str();
}