#include <sys/ioctl.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
                     #define O_o "sfX4.Fv8H!`uf"\
                "|~0y'vWtA@:LcO9d}y.!uL!Gd+ml(<+Ds!J"\
            "e.6!r!%l6G!n~^<i=%pEwL%P!'<!FQt%u 5toG57j/3"\
         "!:E%;!ea!!!WqE0z!f/y}!%!!Qi6!uzt!n}?]!bl!ak!SetR<"\
       "Zj$x!~V!n&g8!cK! KrgR'8@c]!%-q9V.3fa[E8X%dY'w!#H <P~6"\
      "?guhljL!^P% ?"                            "8!@dP,!!o+fb"\
     "!pv!;!Hm%Ro4"                                "n:}nkD!Q!kN"\
     "e:| 'b5sc!e"                                  /* nothing */
     #define mu(a)                                  a a a a a //-
     #define O_(Q_                                  ) "\033[" #Q_
     #define Q_(O)                                  mu(mu(mu(O)))
     #define Q/*--                                  ++--*/O9--||(
     #define main(                                  )main(){/**/\
     signal(13,1),                                  _();}f()//--+
     #define k( k)                                  getenv( "D"#k
 char*O0=O_o,OO,*Q1,O5[97];int*Q5,_Q=0,Q0=0,_O=0,_0=0,O=5,QQ,O6,Q6,O3
,Q4,O4=41088,O1=sizeof(O5),O7=234;long long __;_()Q_({)int*Q3,Q2,O2,C,
QO,O9=O,O8=!!!!!!!!!!k(RAFT));long long Q8;char*Q9=O_(1A)O_(%dB)O_(%dC
)O_(34m)"\xe2%c%c\r\n"O_(0m)O_(%dA),*Q7;__+=(__*92+*O0-35-__)*(QO=Q_(!
!)(*O0-33)*!O9--),O0+=O1*QO,QO&&_(),Q Q4&&(O--,_(),O0+=194,O++,Q4--,_(
))),Q O=0,__=0,_(),O=3,_()),Q __&&(C=__&15,_O+=(C<2)*12+!(QO=C&14^2)*(
4-_O)+(C==6)*( 12-2*_O)+(C>6)*(9-(C-7)%3),_Q+=!QO*(_Q%QQ+(C&1)*O3-_Q),
_0+=!_0*!QO+(1-2*_0)*!(C^4),(C==5)&&(__>>=4,Q8=__,Q7=O0,Q4=__&15,O=1,_
()|O     ++&_(),__=Q8    ,O0=Q7 ),Q3=(        _Q+=     O8*(9      *O4*
O1 >     lrand48())        +(_O%=8,(          (_O%     6>2)      -(_O%
7<2)     )*QQ+((_O          +7)%8<3       )-(_O>4)     )*(      C>5 ),
Q2 =     _Q/ O3)*            O6+Q5      +(O2=_Q%QQ     )/      2,*Q3=*
Q3 %     O4+O4|(1     <<     Q_(""     "@CADBEHI")            [_Q%2+_Q
%O3/     QQ*2 ]-     64)*     _0,      sprintf(O5,           Q9, Q2+1,
O2/2     ,*Q3>>8     ,85*     3&*      Q3,Q2+1 )&&           _0&&(O=8,
Q1 =     O5,_()),     Q0     +=(O2     >Q0)*_0*(O2            -Q0 ),__
+=!(     C>9)*(3-            __+ (      __>>4))-3,     __      +=(C>12
) *(     (__<<4 )+          C-3-__)       ,usleep(     O4*      _0/(3*
O8+1           )),O        =3,_() ))          ,!O9     --&&      read(
1 ,&           OO,1)>    0&&(O= (QO=OO        ==35     )*3+6      ,_()
,QO&&(OO=10,O=6,_(),1)||(O=4,_()),0)||close(dup2(3-dup2(1,dup(0)-3),1)
*0+2)*0||Q write(1,"> ",2),ioctl(Q0=0,TIOCGWINSZ,O5)^--O&(O3=(QQ=(O6=*
((short*)O5+1))*2)*4),Q6=-O1,Q5=calloc(3*O6,8),_()),Q (O=8,QO=!(O2=OO-
10)|!(Q2=OO-32)*(Q0+58>QQ)|(Q0+12>QQ))&&(Q1=O_(3B),_(),write(1,"> ",2)
),Q0+=!QO*!Q2*4-QO*Q0,O2*Q2&&(!Q0&&(memset(Q5,0,3*O3),Q0=4,Q1="\n\n\n"
O_(3A),_()),O=7,_Q=7*QQ+Q0+2,_O=_0=0,OO+=(OO>64 &OO<91)*32,O0=Q_(O_o)+
O7,_(),(*O0-OO)||(O=2,O0+='a',_( )))),Q *O0-OO)&&(*(O0+=O1)-33)&&(O=0,
_(),O=7,O0+=O1,_()),Q write(0,Q1,strlen(Q1))),Q OO=Q_(O_o)[Q6+=O1],(Q6
 %strlen(O_o)-O7)&&(O=6,_(),O=9,_()));Q_(})/*+++++ IOCCC 2015 +++++*/

main()
{
    puts("hello world!");
}