View Compilation Error

0_0_17517234_29294.cpp:1:11: error: #include expects "FILENAME" or <FILENAME>
 # include 
           ^
0_0_17517234_29294.cpp:3:1: error: expected initializer before 'int'
 int a,b,sum;
 ^
0_0_17517234_29294.cpp:4:6: error: expected constructor, destructor, or type conversion before '(' token
 scanf("%d%d",&a,&b); 
      ^
0_0_17517234_29294.cpp:5:1: error: 'sum' does not name a type
 sum=a+b;
 ^
0_0_17517234_29294.cpp:6:7: error: expected constructor, destructor, or type conversion before '(' token
 printf("%d",sum)
       ^