X1=0 X2=0 X3=0 X4=0 X5=0 X6=0 X7=0 X8=0 X9=0 X10=0 X11=0 X12=4 X13=5 X14=5 X15=5 X16=5 X17=5 X18=6 X19=6 X20=6 X21=6 X22=7 X23=7 X24=7 X25=7 X26=7 X27=8 X28=8 X29=8 X30=8 X31=9 X32=9 X33=9 X34=10 X35=10 X36=10 X37=11 X38=11 X39=11 X40=11 X41=12 X42=12 X43=13 X44=13 X45=13 X46=14 X47=14 X48=14 X49=15 X50=15 X51=16 X52=16 X53=16 X54=17 X55=17 X56=18 X57=18 X58=19 X59=19 X60=20 X61=20 X62=21 X63=21 X64=22 X65=22 X66=23 X67=24 X68=24 X69=25 X70=25 X71=26 X72=27 X73=27 X74=28 X75=29 X76=29 X77=30 X78=31 X79=31 X80=32 X81=33 X82=34 X83=34 X84=35 X85=36 X86=37 X87=37 X88=38 X89=39 X90=40 X91=41 X92=42 X93=43 X94=44 X95=44 X96=45 X97=46 X98=47 X99=48 X100=49 X101=50 X102=51 X103=52 X104=53 X105=54 X106=55 X107=57 X108=58 X109=59 X110=60 X111=61 X112=62 X113=63 X114=65 X115=66 X116=67 X117=68 X118=70 X119=71 X120=72 X121=74 X122=75 X123=76 X124=78 X125=79 X126=81 X127=82 X128=84 X129=85 X130=87 X131=89 X132=90 X133=92 X134=94 X135=95 X136=97 X137=99 X138=101 X139=102 X140=103 X141=106 X142=108 X143=110 X144=112 X145=114 X146=116 X147=118 X148=121 X149=123 X150=125 X151=127 X152=130 X153=132 X154=135 X155=137 X156=139 X157=142 X158=145 X159=147 X160=150 X161=153 X162=155 X163=158 X164=161 X165=164 X166=167 X167=170 X168=173 X169=177 X170=180 X171=183 X172=186 X173=190 X174=193 X175=197 X176=200 X177=204 X178=208 X179=212 X180=215 X181=219 X182=223 X183=227 X184=232 X185=236 X186=240 X187=244 X188=249 X189=253 X190=258 X191=263 X192=267 X193=272 X194=277 X195=282 X196=287 X197=293 X198=298 X199=303 X200=308 X201=314 X202=319 X203=325 X204=331 X205=336 X206=342 X207=348 X208=354 X209=359 X210=365 X211=371 X212=377 X213=383 X214=389 X215=395 X216=402 X217=408 X218=414 X219=420 X220=427 X221=433 X222=439 X223=446 X224=452 X225=459 X226=465 X227=472 X228=479 X229=486 X230=493 X231=500 X232=507 X233=514 X234=521 X235=528 X236=535 X237=543 X238=550 X239=557 X240=565 X241=572 X242=580 X243=587 X244=595 X245=602 X246=610 X247=618 X248=625 X249=633 X250=640 X251=648 X252=656 X253=663 X254=670 X255=675 X256=680