View Compilation Error

0_0_32613664_29155.cpp:1:1: error: 'include' does not name a type
 include<iostream>
 ^
0_0_32613664_29155.cpp: In function 'int main()':
0_0_32613664_29155.cpp:6:2: error: 'cout' was not declared in this scope
  cout << "please input A:";
  ^
0_0_32613664_29155.cpp:7:2: error: 'cin' was not declared in this scope
  cin >> A;
  ^
0_0_32613664_29155.cpp:10:29: error: 'endl' was not declared in this scope
  cout << "A+B=" << A + B << endl;
                             ^