View Compilation Error

0_0_17517235_18856.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_17517235_18856.cpp:3:1: error: expected initializer before 'int'
 int a,b,sum;
 ^
0_0_17517235_18856.cpp:4:6: error: expected constructor, destructor, or type conversion before '(' token
 scanf("%d%d",$a,$b);
      ^
0_0_17517235_18856.cpp:5:1: error: 'sum' does not name a type
 sum=a+b;
 ^
0_0_17517235_18856.cpp:6:7: error: expected constructor, destructor, or type conversion before '(' token
 printf("%d",sum);
       ^
0_0_17517235_18856.cpp:7:1: error: expected unqualified-id before 'return'
 return 0
 ^