class Program
{
    private static void Main(string[] args)
    {
        int[] pn = { 2, 3, 5, 7, 11, 13, 17 };

        for (int i = 0; i < pn.Length; i++)
        {
            if (pn[i] == 7)
            {
                continue;
            }
            Console.WriteLine(pn[i]);
        }
        Console.ReadKey();
    }
}
                                

Class Program
    Private Shared Sub Main(args As String())
        Dim pn As Integer() = {2, 3, 5, 7, 11, 13, 17}

        For i As Integer = 0 To pn.Length - 1
            If pn(i) = 7 Then
                Continue For
            End If
            Console.WriteLine(pn(i))
        Next
        Console.ReadKey()
    End Sub
End Class