#include<iostream>
using namespace std;

#define fun(a, b) a+b

#define print_thrice(x) cout << x << x << x << endl;

void print_thrice_function(int x){
	cout << x << x << x << endl;
}

int main(){
	string f = "five";
	cout << "Adding integers:  " << fun(5, 4) << endl;
	cout << "Adding strings:  " << fun(f, "four") << endl;
	string b = "four";
	string a =  "five" + b;

	print_thrice(5);
	int x = 100;
	print_thrice(x++);
	cout << x++ << x++ << x++ << endl;
	cout << "Afterward, x = " << x << endl;

	return 0;
}