{"trustable":false,"prependHtml":"\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 async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"你的任务是计算若干整数的和。"}},{"title":"Input","value":{"format":"HTML","content":"输入包含若干组测试数据。每组测试数据占一行,每行包含一个整数N及其后紧跟着N个整数。以0开头的测试数据表示输入结束,本组数据不需要处理。\n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"对于每组输入数据,输出他们的和,每组输出数据占用一行。\n\u003cbr\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e6 1 2 3 4 5 6\n8 1 2 3 4 5 6 7 8\n0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e21\n36\u003c/pre\u003e"}}]}