class Program
{
    private static void Main()
    {
        for (int i = 1; i <= 5; i++)
        {
            Console.WriteLine(i); ;
        }

        Console.ReadKey();
    }
}
                                

Class Program
	Private Shared Sub Main()
		For i As Integer = 1 To 5
			Console.WriteLine(i)			
		Next

		Console.ReadKey()
	End Sub
End Class

class Program
{
    static void Main()
    {
        int a, b;

        for (a = 1, b = 8; a <= b && a != 4; a++, b--)
        {
            Console.WriteLine(a);
            Console.WriteLine(b);
        }

        Console.ReadKey();
    }
}                              

Class Program
	Private Shared Sub Main()
		Dim a As Integer, b As Integer

		a = 1
		b = 8
		While a <= b AndAlso a <> 4
			Console.WriteLine(a)
			Console.WriteLine(b)
			a += 1
			b -= 1
		End While

		Console.ReadKey()
	End Sub
End Class