JFIF;CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 85 C  !"$"$CX" }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ?EijeWU@ SZQNP(iESii@ .)RX:)qJHJZ1F( (\BQJp:R}hLv )(4!h Eq@ AEJ(KIEŒENN,: (&J\E%()QEQF(QEQE(h![$ v!1%8Jd54Zo i4izSHKVM05!SsO"iDgiTFÊ)QNbe@h(8 N R@ .(T64ZQv RsH`(襢4i01Ji( S8NⰝhgJ.+RS'j. %- uOz)h@%@IN@E/jOƀ (hhƊ`4 )JZ)QE1hJh!J 4 QKR (,4qRv@ &)SM;n)=)Ri L")R4d؎¤=i)(p%H9Edl8 p p>(I u&9RN֐S.XR P)@p%RX;Q@X() -!QAҔP(JZZJ`R@ 1K@,%(V@b1M'4i)@%(SE%-!-% .0E1 )i-;RQEQEQJ: ((R)xmM4Ӛ(4S&ul jL՛jé3'f9\l)8ss>GpyH v$cެDXnd8PdŠ) HbqM jS5_fpiz\H<Ex[,jP*@|KP p l=Gn3S3nNTxې:P&\`*x(jDʣ_('c1z# #qR;+OqUa-ņ}aVnj rzwsH OS|`K\;Qql I0qO'y0f/KD$N ,(Xǧ4|sJb8 jlAJMVb==/4QFf?4gޣ'S>&;抍u?5BfFhh44Ra4qL&1 4Қi5B4QE +b:P!%1 gIc3G̽f,|+jЍAj(cS' W"s@F4kPNJHj#"(^3S+0`y1 9<reqLf]ȨlĎ `9SrrAۚm|+ ]@fTjf-3 TJ)ac4R‚>Z"c854] 27@wy]⥙H\' Tzsݛ99`%tUt錒(H^?wp})4c%&'l SiG iFx{ըT[SqUڀvcH78ϭFvs*[Xǒ9**#$idqUdP[v 9^j|3r}T *c4UIP$_Dz˳y8$sT FT3VN8cB`L$#M3UqOf.qb/L ȦI #TRʼ>F( XfۃjD+FNqWaPgI$qRHNڙ#6ȦȠc0/ڡRNi|ǩ|Gj#Ͻ74Ss(T_+)ӃV;H"eS@ajgo~j 3K1&>Jh~q gڛSѮ5!;=@ Wңv܀g,N: t@H@8$3Vц$l'8#; )=NOU\OPVbRi&4 ?ZUb$2$Dp*Rr>Ҹ=M#:gQi$'$gzllr_ZHQ#pjyp@5FS!Oud{R@#$f/` VK}Y5&b1&[r\j?bO;r)du-=EFYGO$&FL3ŵ5 imm`s(ĄVC5=Owt"_P94 /m{Қ''*.҉=QeOa-16$#(XzH3U58[csR}[jWAb܂?hUY;XT@X.1TCDjY=.[+zJRCQ&g wVש0}:S3}Z6n;dUgrG^ g-2.ACk2GGe'5n%uS08[ A<,:9erI=un d^+JX\bbo|QZ* E--vLN@^}Gv+;4cxʁWΐ?@xj)pH }dikؖe7)\k0b~6 $'5\ @u;h՘ Q[MՁHC*ɢRBQlc%K$` f[3YJXߌU-iK v8S!$gRj* ̹(8=*n}Â_Z7 H*>`8B0'9U- TC+ AY42@RޣGGo9͐j[b9* 7{[U j|ͷ=wWϦxvU]~K`zdyy "`2j8tFwR̤mQv6̋9;:f4M9*KcV^%X/ux-o +[ItQ58u ʘ\_o}RgY&=k*QmGbk.6sjOԊm ':I?8T'ذa{ [c'djjQy1L *}E3G4{4#+jyf ~(xPDۢFpo,v"y=k餓Qkc_x6#5czo-\ᙾ^D/ aO9Kq=J_yjdS d`G 3>cзC^3\ՎRM7ܪE}+،O`h{{W;z4$'ڕM:rjm3cڲ,f.H\Zv ~I])z1T#WuYesi@sYxQRoTՓV!=ͷR} }SꎻY\ڎ0FX hL92 w3ZWMJZk7&YՕ[)kRyMHqs֤bVv]eʍ\R*e 57(.ClհT ,_3 5> &A=ZȬVŲsj-Ftd3!$t|?ZA{4GGo49>As|oxڴ/476L͊BX vGk$^f8{`;4j[hM,'8#xw>;ijmkA{>N$8AaުX~#EAo)!Ooú9䞵v0@d渿7Slc1K%ekU8$z{[g BǟY` 51-%׳y1c<ڹKXj7 /5r:XCDC, ׁRZ 1~cYGpISI%9~6VkAz&#ݸZmpg#mGui25'Gj(O8Gz/Y&2oT)'Ҩ RT,1A& 뎴l|>^n UoJ#9NִLwgcǵTiq>v+J0݇Ww/bNVPP0ʓғS#h޺i&S3zaym)|$Z٤QKPN4R_:+`qEsjI~ڷ!FH@ʶ#R>[W_g&G2(pNk.1w VmY܂FF])2u#=*ޠ`Czu%bv&a4t!/\]Q\c&Az\-⋅Y 1*<ù}̀gFU{o T:O,K"r M>eW[#v%`qqT-.<۲\;4xG_sڝ3ik/#R [x]ysCPsOh>XdAp0$OqMFS'oSZ.ԼA{uvz(tmw.(GɪV3OX8qLba-'򫶚p{*jaɕAČV*l%E# X#?PW^; X?J/Z717Lrp;8%><m'ԚӒLh <u=#KeC܌Fø5r/pk34 E :U2Hf5*$%#fBco^UJI-6JukkiBZ?fIm,uSy~oհ7z\!sY֎x9 w13  Ѵٵ`Xj:8FR^!!rk7E#PBxwSg0#R-8e9BTi!ެ8oJ֋[SY_},L3Ǽb2*Ʒh5ƣ|0''g@[åimKpG`~ёO?` MD^9^u ө%Kc^agPy|t1AhtH?yiFGS.㵝k'_-#1qw:%yV ԌS%xhiZ-362*mВ n'1dc$'UpW^De#XBGުͫѳK}]U)"Ҿ] ;$P˟q_4Gf 佝Td Ozw!sleƳ;^*$o#'jf!9QrqTVOK<V%7_hBwQ\o<[ 7{zqDCsnZ}ڄ.≊WZwIss34YَrM(5rzŭ ZSlEg+X-rZ#DD`;kF(:uF< Fdk{\](kվx~JŘI %{g޵QN4Tsz3)$ֱᕗ!L<!񍾫}k;cNHvGPzMB;wc{wJ5JUW2R cFʜ2UOx ̟i.#)\Z>|Z=۠p񽟉ab3~JJP&{4XJ,9`W|a97e$zRjbwt_k12y|pkY[csZDZSop0ZO_[`U;^supS+#IϤ!kȚ"XaH Bro 5HFK-*[̇C'a\[zēNFe]fcqo}KW; -qVnGr8JdaG%O7%'[D$WO3"13eΫ˥1#8]Tt_\5v}Cu\U Qux^ԣG'{t%X6R2pyXhg\d];n"&GZO$wq|ۇ}*ƧFe/63ڶ"Ե dd,Tk4CG;B3HkV=<> TddtV ̽gԬdV|=+ndM$XDpnj,K=t[ Uv2횿v)2H+--Ck_ðjK$`E*NR QZ`Ӽ:nUMlvZkM"J15 02q\_ 'dv7*%K$z3Sy3a'n\RORN=~=dbҬi1S|Kg]̚|m2<\^vi֭Sq՗I{YY7 q fHYYd3⮅J$kc9y:0fvsOp x4xn|7猬ėAmp'ұ[ |aLP5LI9CWXZ,7ƚi%wH"BmWF֤EҴP_#cGQPDL2ߎk%6.Xn階?e1KZ|%m>WI,9Ѧ")<}藒݀X>9_Z{Zm._Ӥ2EwչJ֌i֏t`]YQD2S PIzVCŎ*KMgg#McJ1[嶳;A&'ߊs2 [O.ayE?L|tR#6miQ[G*@Tmt;uFA*9N451q1.&2$ XzPM& Eez4;8KA,[ҏfأvؘ ?17][6<RSOT&t衳r AAQYa`czf\<3>MaGkv"󎈾&1@kNX.պSp"!s ]mXT۵SĚicd{J ߈1ɩI,*=_ڽѕ_(M^(8Zf[ g5V|K3baF{|$~ kR Jj*# dNSMcGsU_cR)5~^.x+z7-=XAUĬk5+_G%8vp֛}gr_%;/kv1;F=kPS=,)+՞%(gqn%z|P\j/fM^scx(Fjǽ4OtEMM7 -qmS_gڽo zNwٮO]:̨ е{F{qm8PŠW)Y3~g/,ؕJJO"Q|«ʺ}kQ\\#!>U$Oq.{ؿ+OR67- 8zl/l /SN}ۜ'aMcBy{X[(~n*cNVfc[otg7FwYzUIJOA3\j>iJrZlMr%*yWR'G VzJ%"HW=6R{=J O!Mn1_,{s۽KjPY)E-Mis)6qyYUXm(f`;Uq[_]]A(=]GM76|kRsִp)K}A[ZtƨIqn1~mj6Epp3ָI 5viƚrOSK%ar|NGaxGR{BizDl GN:8"řJ@㩬L+FGjyѮj2E ۈUf[mhqf$l9 W~6|1Dh ּ,Eby<wcI*QHښKka=䱆 g&ŚW f|=Ī!Qy6 Vsfkth {m㐔ӨK(MߕÐMr[m#B*3Ywp!F!E4߽ڼXTRmWJžlHn&IPIucxU}6k$ "mVL VEG5o~&?{6cvT)-ϛèB*t͋OІ9'Ah2oCȏpB 7#k=MtV17>xs5POsQ2_}ɶ_ 4߇X.fk(ee8{WR|X$ʊ6: ^fj`MT?P?kW z5kͨą]F3[K+[{ @+^s** Ƒr 5,M.zҲ5KF`ŇQVw.Jq599!|q]JBX'FWj*ő#+WKk"2}[R1A>s֒QfVY,SH.̣ϟH'IKp7T5s*f qZoidd"G,yTJ4W̍Z-gN D8VBʁȮ^ZzvW.Q[zĭrH|VҭDc-'Qxɹh<ik-ZR=HGL^ƹHc<ʻ5+)2}.WԀm>Muzm~(=*jrLFGz}vb~fn {Ibj71OmeL=kO{9#,ֹ㆓5攣WٶgNRV?yV{H<ԍ ;Rb:kTw $;{S#d"FlވZ.gPyaRins$hޙמ'[h´[%F沣I?{tOjߑ⌐Oj[@V}.p X61cT \WFj xV\TȘ94@-,LխmM9fL9!O zޣze Cֵ)Mj^6IƖ̻$W-O4~Z,BWxH}jh"$*vuxfVEMÉ$;Z(~-tmƠVhqQYT}uD8C}kt޾eR$J={;mjHL|8n9tzվ֖n\j9΋HXtA+é'`\ӫ9<6 AV% Oz5j[X*—e~ߝzKFx5p)KStis]%\( >y+%Ng#+{;]7(cI沴Hnҽ zVp>O"!Bw 15<$jUn{3SOC6sdrUϴz5p}ǘ9~C$s3\[kYf#?{Tb=تhE^N} ]^"EGzҼ3=YGPc[Elcp>e\㚶%S^3(6Qcte'I?\0\巅#kiCNG(`^"F2o>5tC6 gx|_7l'hd]OB>"KZC[  2iK2WaG=*!Pe#_SںsOKɍGU"BNl|-ٝauB2}QPyE>ӗGUC~tizWq{v(ڞ4ߥg B?Sz =/MY|ߺlI0+jM*2#N% #GծlY0T]Ňo="3/#g5Tu6ĬLMS10Mbú;gIchKz|Oz ~X+g5o{ykAk$sQˬM:og9fQrɷzM")B$SޥPk7ᵀo v2cMvXԱ[y>ofxSpWg34SXl3]]#69 W92 a1 zt0Zͥ%3Lgy (G󬉤$:Л7iN>ݢ3#;P߄53P韕MRWN+PkIRCKx5ISqg}Ά@WXӭbHq+E ⺍h\ohBvZUI{:3Cwz%:$mȤe0K"_XK ;fc_޼-6Ҩ؊giNd\}D x쬢v@d !Yfg c).eqj?x쯘FdkalmGaZYqo2\Kp$jYܗ2 ǥjnkbBlp9UKbV.ܽ Qi6Ro, bcsƱ *w($P>\U{95B76MۛzHTL7=ja4K۾iJ7鸕.tI̪#qǭs4Wn{עCouX*g7$i*ďkط*>696'f'K)ujYO\qYO&)bOjβS&DG^^ꤴW~JCsgpȨ;N;M FmɮS¾&-Օ'ƴSƶ A }S.)r7h)W[UH5,WĦ$xcķ7l{q\̞*Ezo"eklJҟ7py=)#;Kik>:#e?QprDEaZƧ~M1t_ 1-y^ ҞOTT9'k|Otǵd@O# !fYl Cy.v0Zxvayu|StguaՕSN.{=5h7xKǜB7+Լm MF>6̺ gHgmn{sX>>7tueClXaL2Աm'eBkM{FgjҒC$(dh3=0Jo'H3@ ʰ|?;YX곹P>k ! XK.SGӄn5[ۻ'`Gbkiy03\ܞ 4;^9Tbqaj{9IMtGxnRt#CÊw[ *e$^כZ2ܻj1Hs<#{@>אr:Ȯdu~j;UNZш's иEWxcRD ]v\?ꌬvVwڵWUP2ܚw.'5lg殎%^YnH20;P}laPj hr Kn^{>n\mG$)LrGO=`dT64 >-Mj^6-2rA=$!LqZ9kn_z~!`M4Us?V nCڙE8Wi# L^Ԋ͗Nu#7G""Z2/A2 1Mu:jU#zHJO\j.ϒ߅hX,NִICDb8e=᦮}EVgK%inpK"OGs^]7g%H\mu0#U. m< ErRƕiVcFF͍ޤ6<0ˠXԁuMڛa!nrx0:_kR]rX!v`sF"*IP%yu9rU9 Nz5mB]R͚8窮 'W=3]qjK(>`a̞ic41]=7Gh,}A, u'H=}UE#j%#"8c:h\EW,"3qIs4l^xk&I!#=IxQ @<6KT>qjkYGUc tZٝjذwU'nEdx~-q5hzEGz 9sBIaIzv7$mvcI'ef?{4<ʚXN49yRiS3 d>AUw})J4Z2* Z([3SfÒ}qm >^N\ 40,|~0_Ƴ49L~hv#QHO`r>R9,`4 5ܟz}29 A*w)}+q t@!bH(T.7w)iEs<(4A)zœ(FM"[F(ݗf\=D]`v&q$ Y#+OW!^%b9cUSb1ENˀS\Lͻ*n;Fc0uQlfg8gf DXb~ïe@OjA[]pS[E-MRH]N$dW3~2Y:կ~+Q~cNT(nF%/ Vހ$pĚkS&%!i1ȧv66+XםlyVhxVCr&ڭ؃YWw8 K⻟gh5+C6*rnm+_2k *\曦 MƬ7Y?ƻ6;$s VL歍R(%k-09d14~.CFEasRl\nR5hA$uu-I3m^|LTrl.bm5uWr kI;A^NH'b!̎N=pk j&2mkrڎt#~Ei^b5C+}!ue #)# ~?qCֺT~q,SQ3w9f$4qVfؠ| GI#c^Byo(cssSO$ 9KhWǝ$fJjHbăҴN:eQݚ2p] I[zԐUh%z7#Ҷ=A}IP1犁_ nCT yfy(G░7V#W{LQH֑$.#w,$ne#Zr~ |Se~Ry5nG* d(s9ae9?Lw} Q("ȧs?TxɗpEZC%Cw8Ww+t+Dԕ` v^1m%!y zt`xA>fT: C};20Ee|IsS\^V,G9Zֹpı'UnD#$ӊF* 2D;Q1ױ{(50oRDNF +gߕt CbO[Z䎌2)~9 차r^yqSU!vEq7QSAnEqƼE {VfK;cϒGҸ _>Da-*9?X^A1<=šKe_ksWA&D f. @OMVk!"Ccmky1"D m8*0eyTeWIdaб~_n0x ծZ0ܱ5AS,(_rVGJzRQ[bpj8[s)~:SWUzb 5f`zom q24rrkK3g; zn"Ɉ/>Eﲤ*`~5|A>flxj5Yk94m!fyh CnW9aC ث17HQiAՔG'^ISʟʪ$֌ rNEtV[_i6e#lq\GJ<$^jQc*LF€;2f啶xXnΝ4)NB ʸUEcY3V .5t z!Kּc> :W[{\y䐹 9]HDb 6\zP\d{P'B(Pj #Tgޖ[vK4ɷ<~U[Ώ9*H[*J銎H0,zuPL3V4ɓr{J$m3}hu]F=F#;*A"@cS^Ƙ"sDg-3*WueRi dI.$Vc aSwϿʈ7@#IYK0O$R PBG͏lSBzsG>=ʘfhB{$TsJuTRF#l$-@hS 5pY։\ +,8WbHSL[>)}Ep(T''vz2[{I{US{W)ʐc.-N{ٌăgJJ㋰wST3}#!$PԖ6%h˨CKx3$h♸暕SJF5=]\jYݰ1Sq;iVI (1޻in NjenBw5n7w~u3#d {}jX"n OlVE$$J8hXRJ#)9ϲS*_hNsSkuYN=S.@inǛj>;I׌`Lv4cQRZ)QϡһJr=sE\6 $ykА}SduuLi\cæ֊6@PDCNTy#5Ih韡FwVh {܊@3ӽ#qEV`@J,Pc< jBy&sހ$>KTɐNݿCQadR <P8 zFIvvc,(,[$#q9@T\݂2KMISN10*S%,uɩ-t`Ǒù}<{XK0sБғ؉ߕ~։dV#:Ь6H,}Ufes]' D8"'+ݘAkfX5o 0@̼2$9z +LJ/}9cN] *GE1VƧ%p~l,K]=.ǞKH`pAZMDZJ3Xri`;6%w8UJbfуg$i!IU1<MqI>^iVO%)Iby@AlRjr呋Y2DYs995~~\D;z+* wR +\$8&Gw`v֤H۞mBWctdEAߓ]EB޳t8-#  cެr?唹+w}@s@* MIe4 l,a*"/,;U[oC ^=*0F:Qxۮl,yL,kՎ+tᕽqЎ"_ UcN>^Wu|fܳIhOA O]3sUv5WN3I LiD#A@$@ :TNi$.r+Xq^ &µ^N."#ֱ,MWE]ýW ](uIڄs˚ORgRA!&ҭpv'љNТsUӎ+tB=&SVP断;=Gv =hǢ]fE*@^]*yGvt89h%mnyUʐr:gҺ-cKS"} `58wBhyu0DK6:W@ `j&vi$rK 98@6E+tZD;Up@ :|mC1=T̯\ҪU) Fr\4)`T>2NN?*3(=jMkBH.QDd$@0DG) oO\^*_ȃz J SY|@ 7 ʄv"$kQE0Ԩs9` R0dE'wDEe{A Yq1iW,h,!s#d'l{tpmNҐkuEG, vˈ(+(1E淩]C*/0shD%˅!{q"=0WtHH#91ñF>̠R0oҘ iFkƬy(ܑ&c2(mVkN9$] dW  tz<3T>8Ek*m2f,qQI7F)j.,#85)v`Ӛ7Ҭw Xh#5vQ>րr2@1`baZ1x)̱ʓZB{PñZ(J/ݥ;Azbc&.rN O00tK|Àh0=CQ"-P ic A;R).O&E܀0&)X0$Vo" ym*эoDνL燠P?kC1t(D\o-"xQ*H1?*"lڞq\MI{BI!CHm4 `50k3[( *}kUߦkLBl/ U Yzs޵3nܴ C?c1o~D*N;u3ݹD W=EfyR@F~+XǕ6(&I#Pj9uRê׳9k{ X}+- ==kGO-3:zS2#+\++"n\NNM82~T,NO$ Y f܇ cִvOay6Qb3e1,sZE]zVy܇E^NB"Ijde<`>!1 `jLst+㡮wrfltwV̑Nq.:jm$џ*ElCV/bkt0*h`ҩ+4e~p2pk &WRH mmKHXgКee=D3)^ڈp +Dh,gb]H ε=6E'Kqobxs7znfVj &F*eOJ4v*}sOHpGJΑSy9%{in3@3 8 QRCyT70%S>  \@/%i3风Af 0&=*pAߥSKMRI##9`p}j(29 ձ8D=1Ҋݑ;LdQ/ ;HOBïNcAQZw &IdҘjP7%g!ǵJ&xe4!#E P|81>ZCZ>GD4؜Sf`7ِ0HUL1$@<nGBnfQ!\JT\`LyHqOL!Ϲi$9]USƚ'?}hrnhY6A=ItnNKvjrH-qWiЌ_&r Gj])6ν! P3s&2G :\:1Ii0`|Sct%sVRv##]\_ܮ=d$P^NV'Ƨ)H<^d$zW@" :桖ܲ)'уiahc!na[¡OsҬ<3|*X1F VNB%+Olh9aߎ3M U=)C -!rG [HK#eDG Uy1:~GrE `}*2ųDӺ yq$/q\v N,g=)J`E6`Yp*lqm;SrFNȀ{,sК!ۊC:ɤ1|vQқ+< z wo;H6P0kU%EFGl"c֥U 6nڠ`;TlSY[_Zd<L EUl9G 0ejđWكYXn8gc42`4#QBJ=bPdG Z] (*u]+NNJ=(^'?+)ϭYI6& eOLѱc9\T> BHz Mqieۘ6(. cO8M*6\џjCbf5ڢ6~E^;b,1Ա9 ^=*HǜΒF 91\}UCZci~U}hjߵGS6I)2{0p*‚sI1}Rڸ#֑Q,sȃyj)?@ʠқҐĎ*5l x* i7y\c_P%Ę$Sr zi9Nu!րbT.P$m? .oTO|;4Ք)> &F8ZBO#TBN)~^ soHt4$*;qNH"E֥G$69-֐]PM<)$3#Jv`m{);Ilc R[ ֓ cauVi] @քYi1P̀8H2 XW/VHsd {Ք8zvȇrF99isbF!iD8%|! zo1Ќc+R1U5j06KaبU~roJeWgB8"L9F>AC{"'.G+:3zF"!2dҘ9}h(*uYU"EO2yTMPH$`S bzJ;dր|DA]0S@ =@$;bA 2G~ʓҥu# Ê F ~\§RpBE#s1ژ1i&Bь7 D76V*Ɉ0o(ƃ>^=逐6* <ڞ84`SZ@5`_# 7GSRP mDp2ʣ8RV/͹c9>hژ8 H))qiF9\LD|nU ZgyjGZhn9z!\QRnA!ʰScGSQӥ[ R6j0'4w)̣s\;X@&9n=*ke1R<)AH.!#ds _YCG_SHFۛ_h1A 1 V3$0 _D[A ,dqS 8dj0A pOaH٤!)s&|"lp (5JBC Fx;9,WQ*IM,;SUXSCM@L1Zg4p8ǽ9$$nPc+Zg&LfI: zb Hx$^@+2a֛!6*l%-"Dw!Ȣ3=SwP81HQsOr1րH@!23E"i&W1CۻF&.(Nq@ƋZV`Jz5jkdaf 1+_).NBQOp#}AxWf2UjUT=3C/$PWW'2\T?Zh$GI%z)bzL2dSU85!`@fL@I>r~9/Zsxcހ>UFBIv%@GvYvP2 Rm֒FTvH҅GJb6'i@6!E8'al;ecR=($@?)Վ*a!<~R7&.u$V S֡bd*ŧޢ}YSE/pKǵ[n#lqE#+%Oz/EW0jugEEzQ@,NjP5RE'5 dQE42 y}6⢊@ʀ0sVZ(BEN8?Z(cCMPB stQ@ Bp~QLc$azKdQE!SIQE+FHsWT)0?P([ nIQEt$G՝wվ* }LqEB72}d|TE*nOsE0-^ `gEț/%H ڛ8h^皳J( _ܢe&Pu^MS`Vp1O?tQE ֯I'E0+Hӣ(Y@ p*ڊ(B)o4QT'TQE d>[sEUb