View Compilation Error

0_0_15514763_13749.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_15514763_13749.cpp: In function 'int main()':
0_0_15514763_13749.cpp:4:19: error: 'scanf' was not declared in this scope
 scanf("%d%d",&a,&b);
                   ^
0_0_15514763_13749.cpp:5:16: error: 'printf' was not declared in this scope
 printf("%d",a+b);
                ^