#include <iostream.h>
void main( )
{
	int a = 18;
	switch(a) {
	case 18: cout << "值為18"<<endl;
		break;
	case 19: cout << "值為19"<<endl;
		break;
	default:  cout << "不知道！"<<endl;
	}
    cout << "第二個switch開始！"<<endl;
	switch(a) {
	case 18: cout << "值為18"<<endl;
	case 19: cout << "值為19"<<endl;
	default:  cout << "不知道！"<<endl;
	}
}