View Code of Problem 110

#include<iostream>
int main(){
	int a,b;
	while(cin>>a){
		cin>>b;
		cout<<a+b<<endl; 
	}
} 
/*
Main.cc: In function 'int main()':
Main.cc:4:8: error: 'cin' was not declared in this scope
  while(cin>>a){
        ^
Main.cc:4:8: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/4.9/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:6:3: error: 'cout' was not declared in this scope
   cout<<a+b<<endl; 
   ^
Main.cc:6:3: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/4.9/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
Main.cc:6:14: error: 'endl' was not declared in this scope
   cout<<a+b<<endl; 
              ^
Main.cc:6:14: note: suggested alternative:
In file included from /usr/include/c++/4.9/iostream:39:0,
                 from Main.cc:1:
/usr/include/c++/4.9/ostream:564:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^
*/