View Compilation Error

0_0_39134767_32506.cpp: In function 'int main()':
0_0_39134767_32506.cpp:41:25: error: 'cout' was not declared in this scope
   41 |                         cout<<str<<" "<<"is acceptable."<<endl;
      |                         ^~~~
0_0_39134767_32506.cpp:41:59: error: 'endl' was not declared in this scope
   41 |                         cout<<str<<" "<<"is acceptable."<<endl;
      |                                                           ^~~~
0_0_39134767_32506.cpp:43:25: error: 'cout' was not declared in this scope
   43 |                         cout<<str<<" "<<"is not acceptable."<<endl;
      |                         ^~~~
0_0_39134767_32506.cpp:43:63: error: 'endl' was not declared in this scope
   43 |                         cout<<str<<" "<<"is not acceptable."<<endl;
      |                                                               ^~~~