using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
class Program
{
static void Main(string[] args)
{
using (StreamWriter writer = new StreamWriter("reminders.txt"))
{
writer.WriteLine("A");
writer.WriteLine("B");
writer.WriteLine("C");
for (int i = 0; i < 10; i++)
writer.Write(i + " ");
writer.Write(writer.NewLine);
}
using (StreamReader sr = new StreamReader("reminders.txt"))
{
string input = null;
while ((input = sr.ReadLine()) != null)
{
Console.WriteLine(input);
}
}
}
}