#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
	//目的：指派運算子：a+=5（意義：再加上5）
	
	int a = 7;
	
	cout<<"a = "<<a<<endl;	
	a+=5;
	cout<<"a+=5, a = "<<a<<endl;	
	
	a-=5;
	cout<<"a-=5, a = "<<a<<endl;
	
	a*=5;
	cout<<"a*=5, a = "<<a<<endl;

	a/=5;
	cout<<"a/=5, a = "<<a<<endl;

	return 0;
}