View Compilation Error

0_0_34982092_24417.cpp:2:17: error: 'stint' is not a namespace-name
 using namespace stint main()
                 ^
0_0_34982092_24417.cpp:2:23: error: expected namespace-name before 'main'
 using namespace stint main()
                       ^
0_0_34982092_24417.cpp:2:23: error: expected ';' before 'main'
0_0_34982092_24417.cpp:3:2: error: expected constructor, destructor, or type conversion before numeric constant
  4 {
  ^