// This will definitely break if you compile with optimizations; it will
// only probably break if you compile without (but it works with GCC 4.2.3
// on a 32-bit Intel system).

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define A(X,Y) ((v*(*)(v*))X)((v*)Y)
#define v void
#define c char
#define r_ return
#define i_ if
#define f_ for
#define m memcpy
#define p_ putchar
#define m_ malloc
#define _c 0xdeadbeef
#define _d 0xcafebabe
#define _e 0x1badd00d
#define _i uint
#define _j dot
#define _m int main
#define si A(s,i)
v*_a(v*a){r_(v*)_c;}v*k(v*a){c*p;_i _s=(c*)k-(c*)_a;v
*_r=m_(_s);m(_r,_a,_s);f_(p=_r;p<(c*)_r+_s;p++)i_(*(\
_i*)p==_c){*(_i*)p=(_i)a;r_ _r;}}v*_b(v*a){((v*(*)(v*
))(((v*(*)(v*))(_c))(a)))(((v*(*)(v*))(_d))(a));}v*_g
(v*a){c*p;c*_f=(c*)_e;_i _s=(c*)_g-(c*)_b;f_(p=_f;p<\
_f+_s;p++)i_(*(_i*)p==_d){*(_i*)p=(_i)a;r_ (v*)_f;}}v
*s(v*a){c*p;_i _s=(c*)s-(c*)_g;v*_r=m_(_s);m(_r,_g,_s
);_i _s2=(c*)_g-(c*)_b;v*_r2=m_(_s2);m(_r2,_b,_s2);f_
(p=_r2;p<(c*)_r2+_s2;p++)i_(*(_i*)p==_c)*(_i*)p=(_i)a
;f_(p=_r;p<(c*)_r+_s;p++)i_(*(v**)p==(v*)_e){*(v**)p=
(v*)_r2;r_ _r;}}v(*pc)(c)=(v(*)(c))p_;v*_t(v*a){_i _h
=_c;pc(_h);r_ a;}v*_j(c a){c*p;_i _s=(c*)_j-(c*)_t;v*
_r=m_(_s);m(_r,_t,_s);f_(p=_r;p<(c*)_r+_s;p++)i_(*(_i
*)p==_c){*(_i*)p=(_i)a;r_ _r;}}v*i(v*a){r_ a;}v*r(){\
r_ _j('\n');}_m(v){A(A(si,A(k,A(A(s,_j('H')),A(A(s,_j
('e')),A(A(s,_j('l')),A(A(s,_j('l')),A(A(s,_j('o')),A
(A(s,_j(' ')),A(A(s,_j('w')),A(A(s,_j('o')),A(A(s,_j(
'r')),A(A(s,_j('l')),A(A(s,_j('d')),A(A(s,_j('!')),A(
A(s,r()),i))))))))))))))),A(si,A(si,A(si,A(si,A(si,A(
si,A(si,A(si,A(k,i))))))))));}