View Compilation Error

0_0_36789873_29583.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_36789873_29583.cpp:3:1: error: expected initializer before 'int'
 int a,b,sum;
 ^
0_0_36789873_29583.cpp:4:6: error: expected constructor, destructor, or type conversion before '(' token
 scanf("%d%d",&a,&b);
      ^
0_0_36789873_29583.cpp:5:1: error: 'sum' does not name a type
 sum=a+b
 ^