#include <iostream>
using namespace std;

int main()
{
   int num1, num2;

   num1 = 3;

   cout << "變數num1的值是" << num1  << "。\n"  ;

   num2 = num1;

   cout << "把變數num1指定到變數num2之中。\n";
   cout << "變數num2的值是" << num2  << "。\n"  ;

   return 0;
}