View Compilation Error

0_0_27359332_5898.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_27359332_5898.cpp: In function 'int main()':
0_0_27359332_5898.cpp:5:21: error: 'scanf' was not declared in this scope
  while(scanf("%d",&n)!=EOF)
                     ^
0_0_27359332_5898.cpp:5:24: error: 'EOF' was not declared in this scope
  while(scanf("%d",&n)!=EOF)
                        ^
0_0_27359332_5898.cpp:22:18: error: 'printf' was not declared in this scope
   printf("%d\n",d);
                  ^