using System;
using System.Threading;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Thread t = new Thread(WriteB);
t.Start();
// Simultaneously 1
for (int i = 0; i <= 200; i++)
Console.Write("a");
}
static void WriteB()
{
// Simultaneously 2
for (int i = 0; i <= 200; i++)
Console.Write("b");
}
}
}