{"trustable":false,"prependHtml":"\u003cstyle type\u003d\u0027text/css\u0027\u003e\n .input, .output {\n border: 1px solid #888888;\n }\n .output {\n margin-bottom: 1em;\n position: relative;\n top: -1px;\n }\n .output pre, .input pre {\n background-color: #EFEFEF;\n line-height: 1.25em;\n margin: 0;\n padding: 0.25em;\n }\n \u003c/style\u003e\n \u003clink rel\u003d\"stylesheet\" href\u003d\"//codeforces.org/s/96598/css/problem-statement.css\" type\u003d\"text/css\" /\u003e\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003eSize \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003eM\u003c/i\u003e × \u003ci\u003eN\u003c/i\u003e\u003c/span\u003e karelerden oluşan dikdörtgen bir tahta veriliyor. Ayrıca size \u003cspan class\u003d\"tex-span\"\u003e2 × 1\u003c/span\u003e karelerden oluşan sınırsız sayıda standart domino taşı verilir. Parçaları döndürmenize izin verilmektedir. Aşağıdaki koşulları sağlayacak şekilde tahtaya mümkün olduğunca çok sayıda domino yerleştirmeniz isteniyor:\u003c/p\u003e\u003cp\u003e1. Her domino taşı iki kareyi tamamen kaplar.\u003c/p\u003e\u003cp\u003e2. İki domino taşı örtüşmez.\u003c/p\u003e\u003cp\u003e3. Her domino taşı tamamen tahtanın içinde yer alır. Tahtanın kenarlarına dokunmasına izin verilir.\u003c/p\u003e\u003cp\u003eBu kısıtlamalar altında yerleştirilebilecek maksimum domino sayısını bulun.\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003eTek bir satırda size iki tamsayı \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003eM\u003c/i\u003e\u003c/span\u003e ve \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003eN \u003c/i\u003e verilmektedir\u003c/span\u003e — kare cinsinden pano boyutları (\u003cspan class\u003d\"tex-span\"\u003e1 ≤ \u003ci\u003eM\u003c/i\u003e ≤ \u003ci\u003eN\u003c/i\u003e ≤ 16\u003c/span\u003e). \u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003eYerleştirilebilecek maksimum domino sayısı olarak - tek bir çıktı - verilecek.\u003c/p\u003e"}},{"title":"Examples","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e2 4\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e4\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e3 3\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e4\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}