std::size_t length = 10;for(std::size_t n=n??'n;(n<(&length)??(0??),1,n=('H','e','l','l','o',0x20,'w','o','r','l','d',(0,std::cout,*&std::cout,std::ostream((std::cout.rdbuf(),&std::cout)->rdbuf()))<<((n+??-((std::size_t*)&length+length)??(1??'0+1-(rand(),??-(n^n)+~((n^n)+(length??'length))+2+*(std::size_t*)&length)-rand()/(RAND_MAX+1)]+1??!|0?n:(exit(~0+2),0),n++)),--n,(&std::endl)((*&std::cout,&std::cout)??(0]),(n!=(length+??-0)?1:((std::cout<<"\0\x08").operator<<(std::flush),n)),(n??!0)+1)););