Follow the task and return only the requested answer, without explanation or Markdown fences. You will read a prefix of a small scope language. Every block, regardless of its kind, creates a local scope. Statements are processed once, from top to bottom. A let statement binds a variable in the current scope. The nearest still-open scope containing the variable determines its value. Bindings in closed scopes are no longer visible. A nop statement has no effect. The final probe marks the observation point. Open blocks at the end of this prefix are intentional. Do not complete or repair the program. Return only the decimal integer visible at the final probe. SYNTAX The kind keywords are raku for unit, weso for func, and bifo for area. Each creates a local scope. Open a block with KIND NAME on one line. Close the innermost open block with hud on its own line. KIND is one of raku, weso, bifo; NAME is n_ followed by exactly eight lowercase letters and is unique in the program. A binding statement (let) is zim VARIABLE VALUE. VARIABLE is x_ followed by one letter a through f; VALUE is a four digit integer from 1000 through 9999. Within one scope a variable is bound at most once. Inner bindings hide outer bindings until their scope closes. A no-effect statement (nop) is vop PAYLOAD. PAYLOAD is p_ followed by eight lowercase letters. The observation marker is probe PROBE_ID VARIABLE. PROBE_ID is q_ followed by eight lowercase letters. Use one statement per line. Indentation has no meaning; scope is determined solely by explicit opening and closing lines. EXAMPLES Example 1 Program prefix: zim x_b 4122 zim x_a 2890 weso n_xubbtrah zim x_a 3834 vop p_gwsvasbv hud raku n_svuhbhuc zim x_a 9147 bifo n_vatidpaw zim x_a 2381 vop p_bmncluwq hud weso n_bitcouov zim x_a 2353 hud probe q_weiyabfx x_a Answer: 9147 Example 2 Program prefix: zim x_b 4643 zim x_a 9240 bifo n_jwjtonjy zim x_a 5060 vop p_zvrdujac hud weso n_elakdjlt raku n_zkugdafl zim x_a 7468 vop p_djjwjykg hud bifo n_pqsktqal zim x_a 1017 raku n_pijimsaw zim x_a 5749 vop p_bkcqvgef hud hud probe q_onitejyk x_a Answer: 9240 Example 3 Program prefix: zim x_b 2603 zim x_a 4534 bifo n_igwgjwxr zim x_a 7717 vop p_arlbtehc hud bifo n_yzroehmu zim x_a 1287 raku n_wztpbctn zim x_a 2226 vop p_onjrbqqr hud raku n_jhlqzdhf zim x_a 9616 raku n_plmwzuun zim x_a 1008 raku n_zjasycsp zim x_a 7252 vop p_kzrmnund vop p_ldxedvla hud hud probe q_emfmlypw x_a Answer: 9616 Example 4 Program prefix: zim x_b 7712 zim x_a 1404 raku n_orcqilwv zim x_a 5947 vop p_tnxbymlx hud weso n_vptgxaqc weso n_jtejogmc zim x_a 9799 vop p_ggijypnl hud bifo n_bjobaqua zim x_a 6432 vop p_odshpixa vop p_iojfbaoo vop p_psdmjcpx hud probe q_ekhnwdvf x_a Answer: 1404 Example 5 Program prefix: zim x_b 2396 zim x_a 1875 weso n_vtoyqqhf zim x_a 5155 vop p_jmjfcnjr hud bifo n_jugfmzum zim x_a 1775 weso n_mprryqun zim x_a 6576 vop p_agedtkcg hud raku n_orkqqzbn zim x_a 9387 weso n_pqcoyknm zim x_a 7662 vop p_secslvsx vop p_shpapfhe vop p_hgrvmeey vop p_qlwoztrf hud hud probe q_azrftedt x_a Answer: 1775 Example 6 Program prefix: zim x_b 1134 zim x_a 9864 raku n_tyonnqti zim x_a 4034 vop p_bneqoyft hud weso n_zumeyzwo zim x_a 7362 weso n_svppttop zim x_a 9968 vop p_duhfiapp hud weso n_hfinelpx weso n_btantfyt zim x_a 5771 bifo n_rozsaqva zim x_a 2454 vop p_jlrxmplc vop p_edrrrins vop p_ebylllhm vop p_iqroapfl vop p_qvfomogd hud hud probe q_smrujqtl x_a Answer: 7362 Example 7 Program prefix: zim x_b 6259 zim x_a 8415 weso n_jjsggzpc zim x_a 1241 vop p_qzsnyrmp hud weso n_wjfyport zim x_a 2363 raku n_lephpreg zim x_a 6811 vop p_forfkwze hud raku n_bpcqoznq zim x_a 8625 vop p_amteviko vop p_mpcobtyq vop p_exmjvecm vop p_xqjinttp vop p_tzxzsusn vop p_kzrptmdu hud probe q_iglmuvnu x_a Answer: 2363 Example 8 Program prefix: zim x_b 8707 zim x_a 6260 weso n_gzwokkrx zim x_a 6180 vop p_vazrrapk hud weso n_jklqiklj bifo n_cdoyhwqj zim x_a 5254 vop p_dgrdtjdm hud raku n_mdlaxrnb zim x_a 6264 weso n_mhrfhtuz zim x_a 3058 vop p_mdxdngyi vop p_azlenkox vop p_kuelkeio vop p_lediertt vop p_zxscckam vop p_vsopddqw vop p_lasnjtfs hud hud probe q_brsxfyge x_a Answer: 6260 TEST Program prefix: zim x_a 8867 bifo n_hizwqicp zim x_a 9069 vop p_djelkehx hud bifo n_lsshpuln raku n_qjhhprxs zim x_a 9405 vop p_jihkvbpf hud raku n_posxrmiz zim x_a 3065 vop p_eacisdlp vop p_fppbiznm vop p_vwaghqjp vop p_hathgjfz vop p_vfzdwney vop p_cawynrfz vop p_ezmxwekb vop p_mjhjfyui vop p_yhklupty vop p_cgmhcfuq vop p_fyueqrxk vop p_nbgsicpl vop p_jrxzuhhn vop p_ktrsbcxp vop p_fckoqcek vop p_kuqdvdtd vop p_khrujibj vop p_wfbnjchy vop p_xhqiqwyd vop p_nsitqtey vop p_qvnnjuwa vop p_auonxzhh vop p_fjlnqzjl vop p_lucotyhu vop p_asncunhg vop p_wpwjlxqk vop p_xdeorogi vop p_pwffmsdc vop p_mcacdmlx vop p_ofdvnqhv vop p_grlgzkpy vop p_virfmjdi vop p_ojhczurz vop p_adjzduvd vop p_ryjqbbhq vop p_tzhzrtzy vop p_ukgvtgrx vop p_yvtwjzkg vop p_gceiwwxy vop p_yfhomglg vop p_vhyadied vop p_sbmubzrs vop p_rxexiwky vop p_ggfuccsy vop p_wqhnjbid vop p_snsgckii vop p_djauyzbg vop p_nxdujfti vop p_xhhfgqil vop p_cmoxmtea vop p_yiupyang vop p_ueyswtdl vop p_adqdzbiv vop p_wxstwgls vop p_ujhdlarf vop p_qdqgsulf vop p_mizuwvvs vop p_nlxdnhsy vop p_ymzoedez vop p_xjakrtdg vop p_bmizqrzi vop p_hurmzdzw vop p_tyqddazi vop p_fmfwfppd vop p_lqehuugh vop p_gwxxbrkm vop p_rfeimare vop p_dsnzjicj vop p_empnsoln vop p_pzjtvfam vop p_wbhdunlh vop p_ldpnurvc vop p_cuhhizeg vop p_fkzzomdd vop p_blnloenx vop p_dkotwirp vop p_hldoburr vop p_afdablxl vop p_idqcmgax vop p_ccsgtewq vop p_pdhtshbi vop p_qqxyyppy vop p_ojwttbal vop p_javnicfz vop p_iqsglkzd vop p_euxmzwyi vop p_xplsqmkx vop p_cmbkgzmw vop p_adyiilby vop p_cnldfxmh vop p_doulzaox vop p_txuibmgi vop p_zevwmjzj vop p_epfchnly vop p_hsdxuwnj vop p_rcrxkfpr vop p_xzvvgxqh vop p_pudpfswf vop p_alleyxoy vop p_yhltyyqp vop p_pznepgmq vop p_ypxvujpk vop p_amobmtmu vop p_zoayfkgc vop p_nsfkzyhi vop p_zlnawxmj vop p_pvzkuwud vop p_bsxbgika vop p_nycwycmj vop p_qvsiwlge vop p_okukdlph vop p_hspenvtg vop p_yrtirphv vop p_ufgpbxha vop p_nksikdmw vop p_yacjsack vop p_zpyhpfjg vop p_veeollip vop p_cneehpuz vop p_retlfdag vop p_sgosejsv vop p_gpwrmmxz vop p_wbgrugug vop p_dwulgxsc vop p_raqkqqva vop p_dibvhkui vop p_otscsebt vop p_tqsltrre hud probe q_vofbvabe x_a Answer: