CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "latin.stackexchange.com",cType: 'managed',cRay: '8e91e169dbeace17',cH: 'tX.HIEhjySNKbj1ywuYyu.XBnldwRjrqIEBijTq6Y9c-1732708015-1.2.1.1-JBC7In.BAjnPeWqok5zSlmpnPshgjdiZuUlzBWPJ3lIEQWaBBHBoq8Guix4dnmrv',cUPMDTk: "\/?__cf_chl_tk=XUwxAvHpVUywErHvDNRzKu1427xu6sxWR1_zPrz513Y-1732708015-1.0.1.1-XsUFHiKKWcRPjZyt_jOgbiGLTwBaJj5QjKcH59MSzMY",cFPWv: 'b',cITimeS: '1732708015',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/?__cf_chl_f_tk=XUwxAvHpVUywErHvDNRzKu1427xu6sxWR1_zPrz513Y-1732708015-1.0.1.1-XsUFHiKKWcRPjZyt_jOgbiGLTwBaJj5QjKcH59MSzMY",md: "rYFeRYvXJgdM1uYoAGPWj2Z_7juspmVauVYjejYDhFo-1732708015-1.2.1.1-zCxUY1k.om_r0XK6ha61hDADajI81buhB_Nj6AAEXE_iLHO2zxoyfyXjq6p2iDu2E8cVhiV1iNlrTazCtrj5e3FQaHeKC21_ocZrslZI0U6GFKxLcWOA_WXGRnviJ2ST1Pnpafaz9e13YjUJvL.5RuJE9BMYQyT0OVu3ihxCG1_xG4Up2rQiIW5FVsGa00cYet7w1iO3804t1YHNIUn2iOpZNGW0QeJy4NrtRlzzKStNTVR9LZqapOy6D2JuPJ6SZmaZoWUWr3QUysr7oDxB3PVMgvEgIJM1Pt5wxy07uhmYAQMJah7XhLuKu.Y76lSsFyBHLgqeMML.E_KuKd8zRj.tICimSufwoonK1MUuxQvqU08sZbTBimfcsQzLJ3pNs9SEllljoIS8r9We2cldiq_TTtX993fcjX4LwjjB0DKSs4ol_sqRmtuPNfMVvp5Igftg9leInzUImqIYb79yHzqZUGskQaKKjhowLljqe.HomengxCU.0usd59wXBe1l6PoddXqEEVbloPItw7jw02EysQflQbBZ8TIDuIz_oNtDW5w2GL5.VQzZSFJu7kmGvWI5SimRGOFvwsR13MjRlHaEtVJEeJh7dwhBMdhGyQ3iPUiWjljbw0qt3CQfI1oaVtybow6jySB6xdCK2W4FOgQHl7heu3lRNKCXyZSCRJhCfFBiD0uUfHWrxIKJ.BABQNAST2zpLi.J9F.o7RM.kjBD.DeXLd59nWkruEaxiXFSE79Q65yGIz4DQnjTyWtRckLaqOgzgPqNx6qlfOPMVgXmkAsNTHe8.5JK1_Jnk4YpQZN.8GAHA6wB3QbIPOsfbW8bMqc0R.nvk6fRNGVpYzo.WqSJFXrE_MXnt7i401MaQmYWNu3_2Ohil6Ac1BeZt3oWGAgOrLPvsLZRxo1hg2S8.lyx2i0o5DLijQCxJfJeTD.aalNIwZhg3qA35cK48WSrkFtttX3fHnNRiv.EE1uzmDyNANil7UDSIJpUmmPz2OPRoABeGLznqzgRwjlYFVB0zHlO7spfx1CV7J2fTQtlkWppTQY45wpCFNvd7e1nMV1iHC5cDCT7Jc8NZzQmiyQ5orEULO_pe6r2wpHK.mXUHzLbcQv4GijUcpB8wworW0OeA0VhC6Yj5EGBp4z4emnB7kFgY8eFug9WW79ccEn9kcUgioE.QVm2xih3A2zioAN8ezxXy9xUeV55zwvDfQ1MlJlMEzyT6lVuHeAIelOt679fSsiyMPnPL0qJeoLJlivdOmy5UnjX5R8rgXIPrAJENP36fsFuZaDGxIIXAj515.tNHy2hpyBKdJIu7i9uUli0ecrxsgRPMBuBM3XRajpQRETeSxojM.rb3HQcI9a3j8pdFxF8gWNxPXmXG7zfBtsNxUnWnhHLqBeiTR2BvrWVW0JTSEeE3pZ2sUdQiYTw7co_esludh9S9NZaGUUa3CRWlSbNNnt9z7M3RZWNoYoqF8hr.MjEk3YKkHOqWi6ImqP.XUbW4r2Om8i1Kxu7BmlH5gRt8CxPCV_bbwGE57DIcnOQWR1GOcmdURJ5FJHhCIjPRoky6ycje3.IlLyjThFCgwL76UyTtKJpOP_MohduRKfgFNQtCgFnf_IYvY6HyPW8frXl3Kjsw0Gc_OUrXsy.eBJLupIL2TidvEavom4bVoICgizPkdpQWUuDmnMVQqvK9z8h9TRH2lZiBjRUU9kDKuq8xQkTugc4Gzmz2jgJdVQGj85LI2aB9LPJBYxAa38KANDG_3PA5irfjJHIjzFV7G7bKhM7zaGObJFvM9f3HR94r2hiioTkb3g_gIOwYgAueI19iv5Sq.tG9XTEAGubec.HpOZhkPybDeXaxVl133iWuFo.jtGsk40T0HdwAlHfMEYx1JWD8Le8oNIxESt9AYLpa7q4mMC_bnvZT2Tm4O_lTt32wGYg8iNsREaYNlAw42jWt1BE7ugOZi5Dfn_NvpA5H0LnYy8avOg6f.ZFkdgFXNtmVJiBOa3Mi9.HKNe5xiaPRz9DZnFX81xqQNvuuNS7.PLyJSw7WvEqCvwvGaCQz5rtOpAr8CRS_MEi7Knigyq_s6PTNZIAeFT.RO9qcUN_MYbGTsoN7uSBfCbWCoTUVtmdLE9guNpXlNe4EPPDm5iNEz78HmwMiN5zn0hd16FTDjTYn77EspWH2MtPS2fCUq1LN2gNZKe7JEZvQcvi1smtNvkUtNqT1hQFRZilMLWYqgyIomTRvXtg2lPPXoUJjXEVRP0ffOWv8FIcUa4oKms6pOXtvRS.k5.G_F0drXXmHDDi5DMNDo_Jh.X080eOeo5HLgiFsI4bz20yp9VXj44Ef4QNzoixOryXZZ_v3dyJoBWB5qe1Y44di9S2.Vh0JmGJyTixq.Ge_GLr6ApM_gEWrlkP34wCmghGvQELhaC_P3CFKywFmSMIy2CwUzSuPOtSTyD9_W0vSN3VPSjbFiJd1fymojDj4d4_6qSJuXY5UUwn05v8U5_i21TYxwFuUW49nLghW4pR1ujnM3tPlySTdG4L7OZ.uE0JaqhUfK0DOrxgmBxmwS15YVY0r9OQ8oMzAvqmIajIsd7MCrcy0A80yDSpOlTqvaaTtyHaCtFOPrIWFOSPtV0I8HsHCe8R1D40y3wuOZUhvgiZ0SNtnN3LJCybn9wtbEYlr5s2BXGVW77pNspl78IL28qGsHnnhuWUSXZzd7wIWyQxXM3sl15GIhqBI_BvprwSmdE_0B6bUQgQ_5yB7RyMqXYT82_7pgjukRwAisCKoYTawb5myLvRp3RfMdyDqnBzq3rQMLsLrtCjJOAcKXXgK3F.keItZGFDJRcKg8GV3VrwOJY39m0Z5.yp6iMvdvYkgfn7YMM5TT1ziURtyocxVVxdNVI.LhTdp6WcHvB6OQ",mdrd: "ORfUA.7k_ry7ewVbAJqKb6Tz6y0WXo9zC21CWR2XKGg-1732708015-1.2.1.1-pC3D3DixayKw9dF9yWCND_0iXl9tjgnT3bHfqBi26BXPjXgeLx8yEAsWm1sHgp_Ang_7GCoNppBO5m7e0AHnQzxCemxdDFP2E1puuEqRI2lKmETyqWKJ0XOy54tK6u8_jH92VIkpMRrdrkYnUhV5zSbLrTaAhnjfHUPzjJ5PuTmitzsdUZyuMB5CLzuDey..GIBaNXEUAStAP9Dzmg5UZrfHwh09HnMhMOyBJbsX.rHLGpeT22WxRkh1Vd.Cxd2q4NlJ9JdpBidBqwmDWB5qlGl0EMotPB2.syJi.8qlqRj9tZtozfy9gGLNfm7hK4Jwrene0njrnlwikIVwEJNgDNvJGeaHZAksGFOkTlNTWDD2ozVscMgu3jF4dwrKJmyt1B99omeO.c1nx1u7y6be2b723tTR3ZEpm8WBpnAA2giqwX9kbzf3LP0fIUIFoQb0fu9tD2gddGuEM0lBxYdYb_zrDz_HXIBN9zqmdMhiqSPhSVl68VIuO31fWvZ_PdypTl0yr5V5fVbVDnFh_ypv6rcWaZSBBi40bpKIXj2fQiW0zN6qVbzj3Q1eq.2yhMEUThX7zG9M28FlD7klCDRk0KcrHCcNNmOoMzovoZ7Oaqn1qS2Oq1zZvq1E3aoc9KoV8O_9BgimV16ZinUT9843CkCxeZVhfVfGKLxw2Vk9Z6gAhDzuI9d7b2_LvC0Ev4EhPPpsQIOa.AVAO.Nto9TlfQEW0HMaFsQJi1Zp6bgFELSSoSOSAMGAaKAuFEUmLUtTzrq49kOG8irNctoj0sYi9KmmMWGYxrqkPZa2Xyl0O591INhTAFqU3yyvHMDP6zADyeOU5Twv2LX7TS6iafTAMOtkimlAL4lmcOwN4bJCOxUjpjZ48uheumdSqUkZ9JH73Lx7iEZ7uUGhyYxJREFzofYaGfu0BaNiz3hoIIhJw4ocaZr85OU.Eh_gTiKwIFgcI0pNXNrTzWWjTYDl93AW3faxDT9K7uTQSyxlxLOi7Ftpvqee7WA07v2lS1kkX4MwCabKqhNdsgo_qVo.uxPbHvhTXS0CJKLfs3BPmkDnQ8InXidtMuWaCs_b1qn6CngsmC_UmU1wm6xTvedjJAFXKjkq7t_V9RMe2Hgq4ZoXi9uYw8ISxgyBRa4OfkuNo50evN7T2s_nlOMh6dy_ASIOWFqit1Wu03BJLpXR0BbWzHxScs7gsjHVKLpmJIQ5pzNnp_Zo0HFQcLjqOfHCQ47BTbYmV2L8TrLIpicV0eTQJz.8EK2.pNm7VWyyMqLQOrKiDakrMMrrzKcsz335uQwPaqm8ISag3ZN5uTAT6NtWvD7KUN2E1CpSfp2VeeFVoz577oMQwEbpPkje6rKI1ZJiPglS1dpFFtu_E3wpASmzqdsGafy0_zt57bgvuTvU0UqYfGAknvmU4qvI8n5TOxLp5s7eYEojLBuRiUE93iSjXojc4.8bmiVxCq2.dh3LIblHk__vg2.wBAJNFRFgoVPtlqtQkDGl4MTqqV11CRebjPwwc38yeg1krIyGCo4zQOd2dEvPKYSGMt1L3rZMXR7DkOxVz0_bxdDWaU8IeIgcF2KTbzTxsyUJLTYKgVUk1uXYSWusxxwbYKlpvjOzvL73KgbCABLo1z9JohWbzCzwi._qoYYlWzjiIh38BEFOsaHArVH_t2vuF2mxcN95D10q3m514bfskrC76QU9p3JVdC7iPG.8FGGWDSb07d43enD80Svq_MxZ_yFYRVkaZmVKXLGtJYq9C5uU11xh8hHMBVVDK2aWPnMERiDKYcmr5K9RECusjEBSTMu2wO_Fyt.rMjm9rh0FSbsaifUFYk7xT1UQ7Sb9fmI6g_IR29MVi1QrZNnjvNIzSXxmx.A6Pqg6i632dhgv6Q.y8SXg_xYorVUW9N_tUevVWowynIdX2.h0W_EGGfiRbiCS.YjC3MWqQ4THkOKaDJnBrLvwLybUIcwcC0SLSzHkw_0qrc_ku2G3kdPBwtSp4lBUMWMUBmK1sA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8e91e169dbeace17';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/?__cf_chl_rt_tk=XUwxAvHpVUywErHvDNRzKu1427xu6sxWR1_zPrz513Y-1732708015-1.0.1.1-XsUFHiKKWcRPjZyt_jOgbiGLTwBaJj5QjKcH59MSzMY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>