Compilation error (line 1, col 7): A 'using namespace' directive can only be applied to namespaces; 'Console' is a type not a namespace. Consider a 'using static' directive instead
Compilation error (line 18, col 3): The name 'WriteLine' does not exist in the current context
Compilation error (line 25, col 3): The name 'WriteLine' does not exist in the current context