View Compilation Error

0_0_17146749_16011.cpp:2:7: error: expected nested-name-specifier before 'namespacce'
 using namespacce std;
       ^
0_0_17146749_16011.cpp:4:1: error: 'cin' does not name a type
 cin>>a>>b;
 ^
0_0_17146749_16011.cpp: In function 'int main()':
0_0_17146749_16011.cpp:8:1: error: 'cout' was not declared in this scope
 cout<<c<<endl;
 ^
0_0_17146749_16011.cpp:8:1: note: suggested alternative:
In file included from 0_0_17146749_16011.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
0_0_17146749_16011.cpp:8:10: error: 'endl' was not declared in this scope
 cout<<c<<endl;
          ^
0_0_17146749_16011.cpp:8:10: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39:0,
                 from 0_0_17146749_16011.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:564:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^