#include<stdio.h>

/* Raw string literal evaluated before preprocessors for C++11.
   https://isocpp.org/files/papers/N3690.pdf
   2.2.1 in [lex.phases].
*/
#define r(R)   R"()"[0]

int main()
{
   /* Character literals are integers in C99.
      http://www.stroustrup.com/3rd_compat.pdf
      Appendex B.2.1
   */
   if( sizeof('c') > 1 )
   {
      puts("C");
   }
   else
   {
      if( r("") == '\0' )
         puts("C++11");
      else
         puts("C++98");
   }
   return 0;
}