View Compilation Error

789433_0_0_318.cpp:2: error: expected nested-name-specifier before "namespacd"
789433_0_0_318.cpp:2: error: `namespacd' has not been declared
789433_0_0_318.cpp:2: error: expected `;' before "std"
789433_0_0_318.cpp:2: error: expected constructor, destructor, or type conversion before ';' token
789433_0_0_318.cpp: In function `int main()':
789433_0_0_318.cpp:6: error: `cin' undeclared (first use this function)
789433_0_0_318.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
789433_0_0_318.cpp:8: error: `cout' undeclared (first use this function)
789433_0_0_318.cpp:8: error: `numb2' undeclared (first use this function)
789433_0_0_318.cpp:8: error: `endl' undeclared (first use this function)
789433_0_0_318.cpp:11: error: expected `;' before '}' token