#include<iostream>
using namespace std;

int main()
{
   int inum = 160;
   double dnum;

   cout << "身高為" << inum << "公分。\n";
   cout << "指定成double型態的變數。\n";

   dnum = inum;
   
   cout << "身高為" << dnum << "公分。\n";

   return 0;
}