View Compilation Error

0_0_36997262_8751.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_36997262_8751.cpp: In function 'int main()':
0_0_36997262_8751.cpp:8:20: error: 'scanf' was not declared in this scope
 while(scanf("%d",&b)!=EOF)
                    ^
0_0_36997262_8751.cpp:8:23: error: 'EOF' was not declared in this scope
 while(scanf("%d",&b)!=EOF)
                       ^
0_0_36997262_8751.cpp:15:20: error: 'printf' was not declared in this scope
 printf("%d\n\n",sum);
                    ^