View Compilation Error

0_0_38281438_27236.cpp:5:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_38281438_27236.cpp:8:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_38281438_27236.cpp: In function 'int main()':
0_0_38281438_27236.cpp:16:29: error: 'scanf' was not declared in this scope
  while (scanf("%d%d", &a, &b) != EOF)
                             ^
0_0_38281438_27236.cpp:16:34: error: 'EOF' was not declared in this scope
  while (scanf("%d%d", &a, &b) != EOF)
                                  ^
0_0_38281438_27236.cpp:18:25: error: 'printf' was not declared in this scope
   printf("%d\n\n", a + b);
                         ^