What will be the output of the following pseudocode?

Note: array index starts from 0
Integer arr[7] = {11, 23, 8, 19, 23, 21, 6}
Integer i, first, second
Set first = 0, second = 0
for (each i from 0 to 6)
    if (arr[i] > first)
        second = first
        first = arr[i]
    else if (arr[i] > second)
        second = arr[i]
    End if
End for
Print second