What?

#define $ int
#define $$__ char
#define _$_ for
#define $_$ /*$$_$$*/
#define $$(_,__) _$_($(_)='$'-'"';(_)<(__);++(_))
#define _ ;$_$;
#define __$ $ main
#define _$$(_) std::cout<<(_)<<$$__ $_$('-'-'??=');
#define $$_ std::cin
#define _$__(_) if(!(_))
#define ___ return '"'>'.'_
#include <iostream>
#define ___$ ___??>$$($$$,__+'??/??/'-'??(')??<$_=$_+_$ _ _$=$_-_$ _ _??>_$$($_) ___??>_
#define __$$ __$()??<$ $_=1,__,_$=0 _ $$_>>__ _ _$__(__)??<_$$(2*'/'-'.')
__$$ ___$