View Compilation Error

0_0_24568548_5945.cpp: In function 'int main()':
0_0_24568548_5945.cpp:4:10: error: 'cin' was not declared in this scope
 int a,b; cin>>a>>b;
          ^
0_0_24568548_5945.cpp:4:10: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
                 from 0_0_24568548_5945.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
0_0_24568548_5945.cpp:5:1: error: 'cout' was not declared in this scope
 cout<<a+b;
 ^
0_0_24568548_5945.cpp:5:1: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
                 from 0_0_24568548_5945.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^