White[390]% g++ namespace5.cpp
namespace5.cpp: In function 'int main()':
namespace5.cpp:31: error: declaration of 'int i'
namespace5.cpp:9: error: conflicts with previous declaration 'int MySpace::i'
namespace5.cpp:31: error: declaration of 'int j'
namespace5.cpp:9: error: conflicts with previous declaration 'int MySpace::j'
White[391]%