using System;
using System.Collections.Generic;
using System.Text;

namespace Example5_13 {
    class Program {
        static void Main(string[] args) {
            int a = 0;
            for (int i = 0; i < 5; i++) {
                a = 9;
                a *= i;
                Console.WriteLine("{0}乘以9的值為：{1}", i, a);
            }
            Console.WriteLine("a 的值為：{0}", a);
            Console.ReadLine();
        }
    }
}