View Compilation Error

0_0_35214839_21467.cpp:2:7: error: expected nested-name-specifier before 'namespase'
 using namespase std;
       ^
0_0_35214839_21467.cpp: In function 'int main()':
0_0_35214839_21467.cpp:7:1: error: 'cin' was not declared in this scope
 cin>>a>>b;
 ^
0_0_35214839_21467.cpp:7:1: note: suggested alternative:
In file included from 0_0_35214839_21467.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
0_0_35214839_21467.cpp:9:1: error: 'cout' was not declared in this scope
 cout<<c;
 ^
0_0_35214839_21467.cpp:9:1: note: suggested alternative:
In file included from 0_0_35214839_21467.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
                  ^