/* First laboratory example by Dick Botting.
   Started:
	Mon Apr  8 17:48:33 PDT 2002
   Last changed:
	Mon Apr  8 17:51:03 PDT 2002
*/
#include <iostream>
#include <string>

using namespace std;

int main()
{	string a="1";
	string b="2";
	string c=a+b;
	a=b+c;
	c=a+b;
	cout << a <<", " <<b <<", "<<c;
	return 0;
}