PK!ߤlZ [Content_Types].xml (n0EUb袪*>-R{VǼQU l"%33Vƃښl w%=^i7+-d&0A6l4L60#ÒS OX*V$z33%p)O^ 5}nH"dsXgL`|ԟ|Prۃs?PWtt4Q+"wa|T\y,NU%-D/ܚXݞ(r΋v]5x8 yʛ { "ԗK7Xdjy~j&_Bp$S@aZK-n  52̂ې _jxbffiLϳr:,nܬQ ЖBN fM X|`;.`D!0`' C9U3Tjs\V;WnƗ}qמP3.ʿO'nSooz^=7j3iD7`af$vNӲ;unm ^`1l!QBlLA~,_f~x5^hvd /,\pіŘMLuG̴Y|?\pט0-J0xA/^O^< 3"9g 8$|MR}j>(3mrM!wnrtr\ \c>|p_| Qpї#:*e`&cvi}9p41|,pa ЈMWؕ-pо33 ?Ema?H|]nSK3?4|nӣ w)[X́-=9xkKԶCq=x`X`vol`w܃6D&5"E.!xp.O $I_{p1 E(D`nmbr d#B m"A:ΌYsGf0KbS5">q v~eojkh'X) sunHzr(ٞoO4}fXvv,FD)LF{P_0Iº"Tܳ`-X'fܕFM+ uZ4u>YUy`O–?!#o[AM'Xo 3ǔŽIɺrǹﶏj8e M@D06pkr!C 1ʓ=jTuxÁ֋v݂dpN fb>L~k|ZP ]x\1u| rȱ =s[lxr@I ~n6`@cStTty=t^.C0AƂRzHV džfp3nȆV1͖ hI1PU;>S /0|. AwP: s*!U1ER0"c*|(k]Rߐ/) ('@DV zO@BNE"' Tda{҉y3/m2閐m;@TF^&:FA,9J؁̰+ r^SyL <Ԯ88 Z2fzi!0gQC߷P5HAAILzכ֠c$,gFo{C ,: ul cO Hf.;$]ejuP?ޮN@y#ׅZGGNQ'SDgp%wr݃FV^mP<"}P-H'*:ȗ ޚcī ,t&Lt dO,,qI)"Ÿ#˒r}0hO5څ Q)q] /isF6v (wlX:1' ,SrCj8 c9*t]$&^n<8M eI{"0  gK<Asq(_y198khśPǼnn%cPmO.+ln,o7kƬ߮%+fи2|I PqGMDx"6u,]4s5$# EP8H Kޜ^WPNzwsL]7z|Pmd{A^P7[ks 8Kfӂ͟rݴXC*4،dXelrIc,ؓ;w 1 q;ȝI;!y.q;]~)6ںO_7ooW?~zMۆGs1cr7Sԏ"P$b>Vzvk?wh8Tt?bI;7lE4PrsKOxĵ-P`Z X0 F"_ߣdŃ_\)Z0'ŏSCl:ZMV(^3 sFWnz^.܆nJt:cй doGާžͳQմEZN(q8/@|@6mv{gJrpvO,ԝKEWY`XW2u&h$7ߧ%BhZk+0>k_a&>;>N C(vAЏ )D2cߍV}pf)APb)LZf|SݏAq9 ۂ&=n$h D,7J Yc/y -VZ:3<}-tq6!Ê4-*/O'0=@S2Aa!Ԫ%rMQ٧ w$4£aZؽ5d7óէyF{tߎWnJP }* <5gArIzpX,b#zR.lb'l]K]Sñ \kK>{Fa>gÏB_y-~(J2E? FZgp"[8TZp k;wJ0]<6(^.ƞD}Br[ϝL2~{< bt;N\_ TŃxp~S;3pчa9j\D+8Ա>#@\$}3[TV-mщ OٖSx}.@Pr"N ?j_A S8X䞟Ṁ)g1u4ذJaq"@!@f<)?hUz;$B v/ù9$ nS>l R~ՅuțAf-͙MA5v&(h0klgJ[On*l$07u&FZm)MvrC&i1F9m{sz {q8"es2Qc*(,QVߔό1H^'dTc񓋿'PlMcj+Q*Uԛͧ=qxSң+ s;hgW4AG% ۫{sN~aZVKO^ pJFr3o7Z» CP+Z3Hʅ-V j̊^I0h;FCH F/XFY6z 9v&վn[y\Wܖa`.K_t YRȷʨҩ0̵"Y?{NA0gݪF^0K`LD'xq/4c8 Nx߄6O^c݀B\;96;h˼߯7G>:}qUH}^Jw焜 eN~+:П?G+*CcHsiSk͇ EUgF3^$;Hy)H;^ V]Eoq.DFz+4=au^0k$"4"mRVX/-XJ^?deu8H ̱V4FS ,ߛ)btfi6p5}f eXJ/Xb?bi;8AWN++#2tUV珲rdduqkq ˓&XX ey9L0r<0޿QEw0 5JæN4I_"i`tVldAܙ6~sau߬_c@ϯ`ܩn8nH`9up]!svyb5ߏvOPɛaK)D2?(B+1$/:ȗ Td9Av:iLJQ;ElL2P7̜N(z $;>slba9gb~7OJ伪kRYi@WTF "p]BXŗ^l@gұ`*Ȍ%L`*Êm=3<(OvoQujϵ<TmT2jk h4:GZ\2ivqĄ]R#aCdgR9MvKFX{IgVtwQ %VUjtl>lN)rCVj T9xfHRPݑqIܻXА;0+,-QI௑"^v<5FHq@BƇoFL͟?'+dJޱ…DtHPb;Rۻ]] ~r}!b`=+QK%G_MאG9h,>㑯 vUd:OhKW[1V|\ʓFYûDF16SO#G-Ch-RAjRgX'v HO "K>Q ѩ:cvL0vL=Bf60 t[s`\\H> yqQZ+[Xv.bowkk܊:'rB>h߰Z}f ?h%%[ }AZOJpzOk%TUD%_",rExwXEe%%c ЫGB\ MajHk|V1(aJ.⎻/JXRz*dB,KITQ+#}!}*z=;=^d@lISϫ2 p "z/*ѝRq$@-BF ޚ9)zx D_G1m'LҝMTЉ2󃹲l6}y%zUB -enI֩B3$ysв>-ZxuN8RޖټoVUi#e{M: P4*.Tr`^bETė/: 5oCMyZ]HX](&2;C^Z$oJ@b%+Yw.nNҹH!E4E`M*A!3V5;`t!yX۽ {/oM++Xb&fbղb GX[? <H6&LO뚡6dxۈ&[1XR,1$B+4+q(1R=0JܠnC/f{VTbY՚ҷԗᱹ#+Bﴡ8A)0IR򘟾Y~+ a7Tr+oꠏNJ_>=Ń3ǛKFV2xJFY>`L% 8X  UW*/_Zb9x57qfJgh>y}k{@)Y#>2|6{.EAiΓiLP>X" _|SA$Tr[kXftQ^TN`[])1g!簔g-\s|'-A_3 +'_`5ved 9TQ I/ihLg ^9à =o#ұay/umivW1\G2rHKW~} Ep/NMб3_(SAFLĚ{d>Oj?Uy[KȀ_ӗQ۷oO_~۹$X3oӔ(|7&t 2ۨL=| o?Ü:g6 $cq K17LlG2~a@dO*+:-NϤB;7Ns~;+| Ҷ/x lDjV%_ tH0Ҍ,|(UP)n_Tw/lCG]೯c3vP6lgBOh]Ďt`-D`V%%T]Zn\Ţ XPCXTRN{d0$J8QXc&|/*Sqh:B*9<1ò7*VX|gԁ30klW{jrsғ:Ѵ;t%W7>ƖV/.ٳƲ&%(RϢ;ػ崡<n }!+>ńy4MskP>tXіcK|7Qw,1{$#YFM}uLU* t]\:ՃJ+1^mCly@ЈB&gxs`rk2vrJ3 |QQnBN2dZKրB^iIH/|:Wj<~]7QRȥTP xϦ*X n@XMF19d-#(\lX=ǝ;KCu^/$`%_ױ^|Ql@}K3&&%a|)_gCfN;X*aZc]CN`V@Rn,U RuΩ,^# Eᙗ"MopԷLhߣsԕZ-T/ \(A ,Ʒ󲷺mnZ Z۰zX3SaHtō3}ĔtQ` L@|/q0I`&yh:.PeMI<;q`ET7 #C׏p8TP2m ")GW=lD'~JBZrNuupC1 9ʵ哠aӘPLF/ѹuL~p6G/WgPxFHl!e֮ᆁ|\ XAetǯ^D~< ˜-"+2hG*WeQz22'hV&0NWHlȸwnx$8Tx~f!!9e]=>Yc+F1k@>]j{[rV~vē7sZS]J4!jH!AZ|caqO7p0o w*¡b|aڎ[m9K"nd:c֒ o/mU3LT}3 Ĥؒtz3<]qEÿ娜9_LByH*t#Ot|KՀx 7KqTޫVQGl;D.0t`9Ǽsc;B XӟT9(v&zlB9?v}e,/2:Ɵ}VW`3)[^ޭk]YL]ԸZ':4X啲ϟ)7ݙ!?4<e'J9I'SЮ՜d)JzBw2ᮊLO& c:c ̕p"Iz(X x?yd:4WW^e%.{ޭ)R@WDI*!b9 Ӯ[F<vvbQOgws479: ¤wIXw7܂'q{NV~'W9Pō<w|m)$nz ; G= fXV吡 tBY"CZsLlѭ=) ^(ПIM>Tr'BZIrwψ߭dܙp*-!/ LqkL_Кt-N4T,O޽H^(xNiD$j$ ᣇQ)Q,p]Y6dyl-,'ժ+ L>Wt-=7k"Vza?-˪#sS8&ۣ;w>.V92_>;R 0{ի)6}ѭQYXb5zlĻܬiR~-0P$GZYD #ӖSxZ,ΞDzQ]& ]flVR6U? YR+Er"-kemf"Rɬi0r(@*z.Kd4Fcj2_mE}@;q1dgh T߾d1vUg_UGLXZħZWO =o8MM__`}bܫ>?K3TEL`#Ùgr$, .ٯɤ{\΄&z)\lCYLjbJ8qX' ~X'paC\%$!@HIr.E.6rT!MF)`'cKqh:)E an`5WLtUjK ɯ{qPCVuJn͸sQiORW됵:I?^@eڟRU,4`2<.jPpV@1# L2`эc'+xE^P++^T\5w캣< :aOsj٘CJ9 *'aw{ۍ'p0ȇRiE!"χtj cOHZh]N7w>tQhqqE,,:+ip%_Ngx1PCߨSZ2___m/q)YA`ߎ[2 2D+!yAY˃(}8 WYd4C1?sb=w,jz{keiԛpׂ@sYطQ'?,t\ͣ@qI*NF\M1|!ecY7T\a>Xϡ;@Z-7hMoaՓV:)˫yf޷|8\rxHJ,m"IU?6]dxw)nhήn\sxeC\ˑ,~G)p=x]~25ڭrݎ h4>`O8& `ax 9"tIKXY1VF+v5J(I&-)v#zgrDb*ץuABI;013OEO%?>sv!?8Წq<^Ixfx2ӪdT ]:rG֏yT>!/J>QKTYtP=p>?iLJQ*m)(Ԫ|t:Ɍ;utU^Uq S}X]i驔,DPYrUE]"dF[p,_زuxTfq"v?v4 ,?bP ve?*$P%& )ow*0qx=__ץ D|7/Ntʥ'5s`xpq_'LՓLwHN'ΤCw+ztгh( ;Ѩ{Dh;NX8Ud3[gp nћ83uyٜ.絳Frw.iqk s9mddF!7x=0Ga'k%n[TVvhoocDj'꒝ ]f= .#k(CSQ> S"WQ/:Y2sڡAFYqGWÆ鐉ڒg Ϳ&emN  Q3^nxkt~]")@K 7n2E_0E5IcaJ&@V/ 5/wfbZ|,5j-|XOO-? -}[9֠<{ޚDcu?ЮM.mhϿ61쎁Wޱj6 rZ\m?/N?t~/c@" 36TV }#%2S1<lB B~b̉"ct\W1+$MEwo;dڔ)I{VPY6* Td|F oA @e77-4m<б:33@IWk~x8Έ&PVʙš FxQ;- iE^*ڐ !wflfgExTZ"嚻x!fG-Qk)>WJ't* w֒"Zf:%M[ } JAp@u0h/Z,'f{+Uٹx1q (ȲGC2۠!w/zI3XS{FoO93r>&YKCLyTHX}|;%_V5Zr% ,ʻl֊o*VN g[ dƬTsNIea OÿG3\sF=bCM ޒN_!h.q_$3<3՜t'ՃD?&B+2Kɜˌ[zK)N^aTa?dzd, :͚*;Mö([ǷɷǓHh{"%yW= hyDkNnrZRXP5ؒ Κje;~šm}Q׻rޑ9b-5A')W*CDS膓 j|?~=ZN#8g7;F,o?oɟW(@=]f-ӌX$fQZun3,#'=#X;5r1r]8G od{ϭJL 쁡X%yd( kEځpT]YY_d]ծKjCd S7TmLXla{@~gqѮEQp [hP.7y-?Lt4Яxfib@/ExU ґYBԬɠL[>r1Xx}͈˙@brlPP ch[mBp|_m6{W8nU]TTU.G4C`6VV䕉Nڿ]бԯkbef 3 ⊇>J,+Gy;?W[j+nAO^r▅xZ].U|`c >2zgU7O?FݫݠJ3!R47 PVKv]5%aV'(@:&:`+@0]+Gd х޻XzeOJzzMg sP\i.I Ep*ߌg?ùEt,7hXS&qYs3\\#r3Ȳ9@┇xiZ49n}[=|a9nRxN2C[UvtAףVH5vVQ=\.@l+γ~ZCKآSH*e:9-l,.] } R5[gGIU.yqy Ɛ-:V}ޠË*`e+fҳ˹noHMLv@?fd_>T.&z·CuMsiSc閭& LcP,ݽ\5=m Ru<s]rWWtBM FcUȎwxmW] :NfB "/=Yш"~ȼ[J R"c UTF E@3[-{_*Ey:y4[ѲM ٺzٻYAh1MY` O髅[ۘR *R<\LAHFT}8Uq0ER@0+~K`5kWLs e/xlMۆ8-,鄩Or=a/C)ٵ@z)ɭz'ًPrQu~?2D|f E  v0ZR{+%c*zyjw6yO޼PYܦvKُEhVؐ,'x^(-anI/TR2%3?%+B3p-ж72GE˭Jߨ'ϸ+n/˾!w~vH(ȧǕ :'_6 A;r19 džFBR8<z^~x\BK+WE݇$S:4*ǬM 6;@ <,C4#d;) 'ր΋$Gt^4 a6DTV!ObEnn zW5Ki#ˉnwJ@~p VkO {JHaq>" Cnc"yaa>VیJk.gԔG9psѓauWj8^'lgvjh/nqqol'' eV}OQ|)rCj]=8:DV?<.,}d,3^"2#=Zrg%ra ]_Jy|RzgZ!r@Y7[@ٟ8vmf`蹄KsA]zFnj48'! aD/pv6c2t+4~E6*GYE+HmdJLXJϋ2n3;j{lU¨U1FfR{MdYRD*vqD3lh` &xrSv.Roo9iF]/GRl4=ʔ">=lQT`{5m+! (N 2 96OۀX^SAX?GgȺ(%R|xqOIg:4`_^O^et;1/~/vAOvt"!hb98ܑ;kakHWD¸u`cQ{Ԟ?:\kkt/ؿ%UW#4e6|MO XV2^\nRnL5sh# 5# 2QLA{'Ay7K8,Ύ*HUAdD93ý@R_9ؖi5 n- =>ámԻ6=W4275otk+>d9X-Dʶ?DV+ߕ*J>vcŝ}ptƔ:hj}ˌ+Wx4&kܟxOWf*@tcJL #}i4PFע6w@ZWȆfw))w9аog{s(J.ɚ)0l1 Re[+WKq#Dm]lN1xc0ZE"rbɠh^#><=ƒٺs'i>IWg zq{%4w}K…S@&Nڌπ}L߿9p8LHVZ:;ζhyϺStygrx+|5M=h9s.mbvZ{nD"W9IDz=IۆEןKSBd ^.@IwGWE!ۊڿYHdo\,ٯ{Pۘ X|Aܻ):LR 3[[ _mﮜr3cZ~WՓLQHuw21[$@ʮD-] 30(dEcOwFp%9|^:j}t`NaLk4um #^89 *#E25!i(a/Jeijcj-1}Up uc+ Lb VRxN[gBc[- 7xOIh,0⎎3HGyr|EIQvfP'߃BT"cR |l'm6w5gV0ܜ[Jp^l;bxx߱#q2t'OI8ۺ77Hz3005c{7JS=6z=Ss{)3 w|yYG;Z|¾'aHTA.~d|\}5Om-AȟgPb^}ÚAk.wGN$cZ"N4}ܗ3ԣ#E=cJ!h&[N%&nZp1j~zyyy( ֏0.3 9Kjwb/2$ P6A5?i<$NWx0VTvc00zAW%EP*5'><~g  ̊NP1x]*$F:Fk( mgٶ>'] ԒeZbmk؝m=r"r艶 ǚFX[}ُ֯5:4A*Df&o+:VO^*ZRXԍSs i4 zyC<. }kB yVxȶPکc뤳eso|EX77\q{=R[fȌ"o[ ~5)4,V IX| TL?;S5`xvl98!= \m"+XoC/nh[lհfܞ)m ? ґS+ܸ웁>j׬<4h$G\j\ Y123☦FrtE?w hG"WP\s8skL8=fgu^`/=Ժ=rW~Vbjruz[R#nQ x䱻dj൧U Qko+˂^acxyYSjʖKMlP~ƿTCX=덂gZj:$,<9!f-sL&, zݲш{vck{J~ޞX϶1pǰ1}7hMdPK!dQ1word/_rels/document.xml.rels (j0E}-;}PBlJ!E?, `HI`rsπ6w{r茯{*xAkWk*`[^^ljNKD8R1d:4e>K/4Vm^urw2NP0ŮVw5j o7o:>S!?p8JX[d0KDEVKc2P,ũa].ﰘsYҡ+(!O>zPK!0C)word/theme/theme1.xmlYKoGWwŎ -Pqwf UpT*z(Ro=Tm@~T- zcTߏ/^3tDA}۞22J >5( 6CNd tY9?C K-j>^eb bj mg>9]NNkl^-Sn ~},t)cZ{ʳʆ;faKvi (6NP6l.t-e|zPh2Z@x) Cή8ߘ& U)eWFe;\`Md}up<kxN˅%- I_TS 1x㋧ɽ''~9+8 TϿWn,~ Te೯ѳo>2Oc"urx 9x=~ib' %Nq*'ѱpmb{^߱>XQj[=Y MWI.eG.ٝv)4-mhD,5$! =>"AvR˯{\B)jctIl]1eRmfjsbKl$Tf.Yn NqkXE.%'·.D:$n@tKݫz3{lHȅ9/#w8uLH E1ʩ+D!8Y[X~umߤ,AXJp'la^1M^ָΝI8 ٷݝl;r|^o.w]F:G[*Ѕ҈=# BPZ%/ZWr4[SPpbQ4DBS d_vY-ye>S+9 Guk=MI=ϝ1u',m^x0ѯ*Kөڬc-7W~զpMA 7>oD eK1 @l1Yec,9g ]rqo|dGWWKRȘ?Y|pdh̔4p)L>DCPK!Iword/settings.xmlXmo6>`9H^:)h$ wzZ+%{x~*gBRsʚDBֻlguKUI7q c@Eݮz7Y-moT#jJW-+"WUÍRӒX4z~jXT2תU[әv+s1,K&MqE 1˦ت~"&r; {TxxIxAU.*e}v|A |[ܶe/X.`#,/xZ}4DӞ*0KR;@Fs=*_JM @~gY]54gqC@Y|p^j6܀mDY-qӼ$M!P[YՀ=Mxd\nxlVW?5hѷyZ,j^*DA˗3,mε9"5;nO7HOr֟DVFjiv+48Pk7P>Rc緂%I~-]QS\I,_K)jĢN4Dڡg"^(8I%!6|HJl%8‚((FR QCCh4r=63$`lgH!'a,@椖X(yk7&1u0YVJ2YHQ6FBsbǸ&(Z.CsB;qz ͵; Q6@(Cwꥨ29<D1$x)%.ZoO]S4tCA:~4`^B |&hvR4!Ti#Kc-Ќ0H`>dVddvVW"vDpg) woČxqBIcUZ楺SJe=}`E,Ľ&fBïB'y!XsG'qQ:o_DƦ?_,=,߹4=x/e=1q{5ܳSo&&plXWmJ^d{eUlv F\AcR{Tg_dȓI?8ٶ?nJl}gZ$ ϝ/ss(x~+XVfAZ$c0ԟhەX7n7J93SG!LDlm;v-TCk5tZ Y#FCлjb <ϵa3q#1 qIt4Ǔh'MRƾ,tГ0]Bw {ø0;{sVtm]6eɣ?\lF3;=H6Sl͎x0-f & ߟ,JRhyXh!PR ig\<攉M5`Wٔ 7쁌xDIaк~XIF6?|2JSNJb56᥁ ,fxahF5D hр54qjѸ54qkh^U~cw4Gc"rw71)bXw\%اHTz"zE^  V<"{xD[[V/횦TӲմ˴VvX9< A; 嬑b[rx֬ڞH zf~Yp˲+'tIdk$,9[Y!l迫_nbݥL4}~1Ft+/ѽ\2 BȘ͑ӿt\ ֞KAI2!"e>/STBCSILɉ-EՐ)a Q6,x<|*##CߪK]ML _"X5/nojc/SV{ 5GK/LU).d# L,/(7򨷗0e,CL R¨d0* ,Tq`V-U80<0<0<0<;L/v1*$ݎ&/y"?05NəVB uJخqT"Se4zc#w+9w.e14ʳMX]/O2o0/|uŜ\al,ma<U(FqH*y#g$l]HӍ.?|b5NgUy+Vv%*-Oh*yP~3?"?c'?.}翄ٳc&MEtJ7N8F/G'6f8n{#zDpԔޓ7[xlCf+H ?mT@uJ@RFQ!mT C )!FQ!mT@"FQ B ڨ6*Dj׋ qF!FB ڨ6*D hBڨ2*2* hBڨF8BJQ!mT@"FQ!mT@RFQ!mT{pQa<Ψ0>ĨbTHA"FQ!mT@"PFAFQ!mTg_?ut{):Z-…Q녇TH{sZڟDN|~ǥRs-=g G}#1w#Awԕn$Xuu;n$ uM֗f}Oxl!@8]3k>v#39oGK+©ЕPt W4?z~B_^ ^X? &5Vp X!!Hj 0ĈRO~B.5DK QaR]VjHJ Xp!*Xj .RCVjHJ ARL,5DI dԐRCB.5DK Q]Rۣ(Rvq0'CvqP-9сՒCVKqՒ+W=?~JO//V؏ W-InT?+5ZJ:UKR%ԸjMj\&u'I:UKR%ԸjMj\&5Zjzً W-uJR㪥6qRԸjMj\W-uJ:UK~qRԸjMj\&5ZJ:UKR㪥["n5ɘ*#]b^7'+^O"6YeڰO/ۖ;%m[Mz 6=x5oێ7Xm l*SǮ|nswYۑu, zmVgK}Y9Fu:qL9g<р_uOgVI~y `y& vΡR.ZK%_%&RHj^U|/PK!ԍ'word/webSettings.xmlj1{r׬R,B)^J쬆f2!ڧoj^B&|Ʉ-vD+9R7T[rp+'kC%r1e H)d%JnR Rl6͆"øV6 aɮiE1G&^PXd>u*"y'Dk)!\o? Bk"15i9rf~I?`|Lӣr391GI|\{z岔FDe!E KwZ9jr PK!word/fontTable.xmln0' ڢji7pqB;V˲Ik"Y;gYh'Hk*(v-ͦ"?W$̚)kDE󧛮zio8`f[aX[W5sO[2/WRISJ 2b{(%_-ja|>vB!hd ZZgݺu VO3i$;iɝ[^fɈ빓2nV ^Mƻ %/ ldzY΍D:)04D1!߽c@xCK3O)j|>dǃ*ǭm k{/PK!=docProps/app.xml (SMo0 0tod7EŐbkmϚL'dITٯe74#'boZAY&$'i+ekT~Z,Da*59A ց B&1F4#4"L0m0S[߈k%Ly>TP]A6hee˓C=JhcSO*F(+mT 9v3F{^ϊ=fBF!.ٔQ}vN+)"U`m;YR`t\"{^S z!;\$e{)4l :DNdd> 'dEԻ5WDҗڅ⩢큷ɱ6Ž뱷a