:=+++++ii+iii=:,....,:,..
.,;;=i+++i++iii+iiii++==iii++i=:..
.;+iiii+ii+iiiii+iiiiiiii+i==++iiiiiiII;.
.;tIItiiiii++iiiiiiiii+iiiiiiii+=++ii+i+iIY+.
.:=+itItIIYIIttiiii+iiiiiiiiiiiiiiii=+iiii+iIIt+,.
.,+i+iiitYYYYYYIIIIIYItiii+++iiiii+i++i+iiiitIIIi++=.
.=+++iii+i+iitttiiii++tiiiiitiiii++++ii++++iitti+++i++:.
=+++i++i+i+i+i+ii+i+itYIti+IYItt+++++=+++i+itItti+iii+++,
iiiiii+iii+iiii++ti+iIii++itiii+++YYVYVii++i+iii+i+iiii++;.
i+iiiiiii+iii+iiYii+i+ii+Ii++i+++YXXXVVYYVVVtiii+iiiiiiii++:.
iii+iiiiiiiiiiiiVti+Iiii+II+ii+++YYVVVVVVVVYI++i+i++++i+ii++,
+ii++iiiiiiiii+VIY+=tYYi++VYiii+=IYVYIIItIYVti+++iii++i+ii++;
+i+iii++iii++i+tBBMXYVRRVYYVVRIi+iYVVXXRBRRI++iiii+i++i++i++,
ii+ii=ii+i++i+++VRVt;,==YMMMRXXRRXRRYtIVVBVIYRBY++i+++ii+i=+.
i+++i++iii++VRYIt:,:;iVRY:MMMMMMMR;+tt::+tVMMRMVii++=++++++,
++iiii=+iii+tVV;=::::WWWWttMMMMMB;tWWWW+:,:iYVMV+++++++==i:
+=+++ii+++++iiV+t;;;,;BWB=tMMMMMt:;WWWW;;=,.IVMi=+++=++++;
==++++iii+ii+=BY+i+=:,,;=YMMMMMt=::II;;;+=++RRI+=+=+++=+.
:=++iiii+iBBBMMtiiiiiii+MMMMMMX=i+++++i=XtXMV+=+===+==,
.,=+i+iiVtMMMMXt;+ttiVMMMMBBMMB=++iiiIYMBMY++++i====,
:+++iYMRVMMMMBMMMMMMMMMMMMMMMMMMVVYIBMMII++=+===:
,+=++VBYBMMMMMMMMMMMMMRRRMMMMBMBBMMMMYRBt==+;,
;++++IIMMMMMMMMMMMMMMMMMMMMMMMMBMMXXRI==;.
.:;=+IBMMMMMMMMMMMMMMMMMMMMMMMMYI+++:.
...;iVBMMMMMMMMMMMMMMMMMRYi===:.
....;+XRBMMMMMBRVYtt+;;:;,
::;XMBRRXXY;
..;;tiiiiitiIVVVYiiiii=;,.
.=YBtYVttttiXXVYYIIXtiiiiiVY=:
.+RMRBYYVtttiBMMMMMMVtttiiVYtXBV,
YMBRRYYYVttiVMMMMMMIttttVIIVRXRB:
YRXVXXYIXttiBMMMMYttttVIYIRBBBY,
VMMVWXRRVXttVMMMIttiIXYVRXYRBMV.
XMMXWBRMMMMXIBRYiVBMMMBXMWVMMMV.
VMMXWMXBBBRXVBXYiXBBRRVBWWVMMMV.
VMMMRXXRXXYYItiiYXXXVXIWMRMMMMV.
,VMMMRYRRXVVVYBMYVYYYYYIY=MMMMMV.
;XRVMBBRYBRXRXVRWWMXMRRVX+.:BMMMMV.
iYtiiiiiVBMXVMWWWWBRRRWX,..VMMMMV.
;+titiiiIYMBBBWWWWWWMMBRRY:,IYIIII.
;iXXIitRWWMVVXRXRBBBBXYYIiitXRIitii=
,tItXWWWWMIittiitIiitiIVBWWWWRiii:
.+ttttiXWWWWBittittiiiVBWWWWWWMBYi;.
;ittiittttYWWWWViiittVRWWWWWWRVIiiiit=.
:iittiittitttYWWWWIiiVMWWMMRVYiiiYVVIYYii:
:=iiitttitttiIWWWMIMWWWMtiitVIXRRRMMMMBIi
=tttiitttiitMWRBWMMMtitXMMMMMMMXMMWMMt
+tiittttitiXWXXRRYiIVMMMMMMMMMMVMMMMB:
:;i+=itIVIWtRVYYRMMMMMMMMMMMMMVMMMM;
,+IBXRBRXMMMMMMMMMMMMMMMVMMMI
;YYVMMMMMMMMMMMMMMMXBMBt
+tYVRRMMMBVYiYt;
권하다