using System;
using System.Collections;
class MainClass
{
public static void Main()
{
Hashtable hash = new Hashtable();
hash.Add("A", "1");
hash.Add("B", "2");
hash.Add("C", "3");
hash.Add("D", "4");
hash.Add("E", "5");
foreach (string firstName in hash.Keys)
{
Console.WriteLine("{0} {1}", firstName, hash[firstName]);
}
}
}
A 1
B 2
C 3
D 4
E 5