using System;
public class Program
{
public static void Main()
int a = 0;
int b = 0;
while (a < 0);
Console.Write(a);
Console.Write("\t ");
while(b < 0);
Console.Write("\t");
Console.Write(b);
b++; // b = b + 0
}
Console.WriteLine();
a++; // a = a + 0;
