/in/foo.cc:1:2: error: invalid preprocessing directive #incldue
 #incldue<cstdio>
  ^~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:22: error: 'scanf' was not declared in this scope
    scanf("%d%d",&a,&b);
                      ^
/in/foo.cc:7:17: error: 'printf' was not declared in this scope
  printf("%d",a+b);
                 ^