View Compilation Error

0_0_27836545_22334.cpp:2:13: error: #include expects "FILENAME" or <FILENAME>
     #include
             ^
0_0_27836545_22334.cpp: In function 'int main()':
0_0_27836545_22334.cpp:6:26: error: 'scanf' was not declared in this scope
       scanf("%d %d",&a,&b);
                          ^
0_0_27836545_22334.cpp:7:22: error: 'printf' was not declared in this scope
       printf("%d",a+b);
                      ^