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 feni for unit, havu for func, and zomu for area. Each creates a local scope. Open a block with KIND NAME on one line. Close the innermost open block with tek on its own line. KIND is one of feni, havu, zomu; NAME is n_ followed by exactly eight lowercase letters and is unique in the program. A binding statement (let) is dal 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 nup 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: dal x_b 4122 dal x_a 2890 havu n_xubbtrah dal x_a 3834 nup p_gwsvasbv tek feni n_svuhbhuc dal x_a 9147 zomu n_vatidpaw dal x_a 2381 nup p_bmncluwq tek havu n_bitcouov dal x_a 2353 tek probe q_weiyabfx x_a Answer: 9147 Example 2 Program prefix: dal x_b 4643 dal x_a 9240 zomu n_jwjtonjy dal x_a 5060 nup p_zvrdujac tek havu n_elakdjlt feni n_zkugdafl dal x_a 7468 nup p_djjwjykg tek zomu n_pqsktqal dal x_a 1017 feni n_pijimsaw dal x_a 5749 nup p_bkcqvgef tek tek probe q_onitejyk x_a Answer: 9240 Example 3 Program prefix: dal x_b 2603 dal x_a 4534 zomu n_igwgjwxr dal x_a 7717 nup p_arlbtehc tek zomu n_yzroehmu dal x_a 1287 feni n_wztpbctn dal x_a 2226 nup p_onjrbqqr tek feni n_jhlqzdhf dal x_a 9616 feni n_plmwzuun dal x_a 1008 feni n_zjasycsp dal x_a 7252 nup p_kzrmnund nup p_ldxedvla tek tek probe q_emfmlypw x_a Answer: 9616 Example 4 Program prefix: dal x_b 7712 dal x_a 1404 feni n_orcqilwv dal x_a 5947 nup p_tnxbymlx tek havu n_vptgxaqc havu n_jtejogmc dal x_a 9799 nup p_ggijypnl tek zomu n_bjobaqua dal x_a 6432 nup p_odshpixa nup p_iojfbaoo nup p_psdmjcpx tek probe q_ekhnwdvf x_a Answer: 1404 Example 5 Program prefix: dal x_b 2396 dal x_a 1875 havu n_vtoyqqhf dal x_a 5155 nup p_jmjfcnjr tek zomu n_jugfmzum dal x_a 1775 havu n_mprryqun dal x_a 6576 nup p_agedtkcg tek feni n_orkqqzbn dal x_a 9387 havu n_pqcoyknm dal x_a 7662 nup p_secslvsx nup p_shpapfhe nup p_hgrvmeey nup p_qlwoztrf tek tek probe q_azrftedt x_a Answer: 1775 Example 6 Program prefix: dal x_b 1134 dal x_a 9864 feni n_tyonnqti dal x_a 4034 nup p_bneqoyft tek havu n_zumeyzwo dal x_a 7362 havu n_svppttop dal x_a 9968 nup p_duhfiapp tek havu n_hfinelpx havu n_btantfyt dal x_a 5771 zomu n_rozsaqva dal x_a 2454 nup p_jlrxmplc nup p_edrrrins nup p_ebylllhm nup p_iqroapfl nup p_qvfomogd tek tek probe q_smrujqtl x_a Answer: 7362 Example 7 Program prefix: dal x_b 6259 dal x_a 8415 havu n_jjsggzpc dal x_a 1241 nup p_qzsnyrmp tek havu n_wjfyport dal x_a 2363 feni n_lephpreg dal x_a 6811 nup p_forfkwze tek feni n_bpcqoznq dal x_a 8625 nup p_amteviko nup p_mpcobtyq nup p_exmjvecm nup p_xqjinttp nup p_tzxzsusn nup p_kzrptmdu tek probe q_iglmuvnu x_a Answer: 2363 Example 8 Program prefix: dal x_b 8707 dal x_a 6260 havu n_gzwokkrx dal x_a 6180 nup p_vazrrapk tek havu n_jklqiklj zomu n_cdoyhwqj dal x_a 5254 nup p_dgrdtjdm tek feni n_mdlaxrnb dal x_a 6264 havu n_mhrfhtuz dal x_a 3058 nup p_mdxdngyi nup p_azlenkox nup p_kuelkeio nup p_lediertt nup p_zxscckam nup p_vsopddqw nup p_lasnjtfs tek tek probe q_brsxfyge x_a Answer: 6260 TEST Program prefix: dal x_a 1358 feni n_nbvjwfla dal x_a 7327 nup p_tjpzlxzi tek zomu n_kfvccvxy dal x_a 4949 zomu n_mfbrkfyk dal x_a 5469 nup p_kbkasbig tek havu n_xernpwse zomu n_yeefkzrq dal x_a 8568 feni n_xpcyxpbf dal x_a 6960 tek tek probe q_unffkwcq x_a Answer: