View Compilation Error

0_0_38529497_1453.cpp:2:1: error: missing terminating ' character
 int main(){int a, b;while(std::cin>>a>>b)cout<<a<<b<<'
 ^
0_0_38529497_1453.cpp:3:1: error: missing terminating ' character
 ';return 0;}
 ^
0_0_38529497_1453.cpp: In function 'int main()':
0_0_38529497_1453.cpp:2:42: error: 'cout' was not declared in this scope
 int main(){int a, b;while(std::cin>>a>>b)cout<<a<<b<<'
                                          ^
0_0_38529497_1453.cpp:2:42: note: suggested alternative:
In file included from 0_0_38529497_1453.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_38529497_1453.cpp:2:52: error: expected primary-expression at end of input
 int main(){int a, b;while(std::cin>>a>>b)cout<<a<<b<<'
                                                    ^
0_0_38529497_1453.cpp:2:52: error: expected '}' at end of input