{"trustable":true,"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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003eA number is called \u003cspan class\u003d\"tex-font-style-it\"\u003e2050-number\u003c/span\u003e if it is $$$2050$$$, $$$20500$$$, ..., ($$$2050 \\cdot 10^k$$$ for integer $$$k \\ge 0$$$).\u003c/p\u003e\u003cp\u003eGiven a number $$$n$$$, you are asked to represent $$$n$$$ as the sum of some (not necessarily distinct) 2050-numbers. Compute the minimum number of 2050-numbers required for that.\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003eThe first line contains a single integer $$$T$$$ ($$$1\\le T\\leq 1\\,000$$$) denoting the number of test cases.\u003c/p\u003e\u003cp\u003eThe only line of each test case contains a single integer $$$n$$$ ($$$1\\le n\\le 10^{18}$$$) denoting the number to be represented.\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003eFor each test case, output the minimum number of 2050-numbers in one line. \u003c/p\u003e\u003cp\u003eIf $$$n$$$ cannot be represented as the sum of 2050-numbers, output $$$-1$$$ instead. \u003c/p\u003e"}},{"title":"Examples","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e6\n205\n2050\n4100\n20500\n22550\n25308639900\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e-1\n1\n2\n1\n2\n36\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Note","value":{"format":"HTML","content":"\u003cp\u003eIn the third case, $$$4100 \u003d 2050 + 2050$$$.\u003c/p\u003e\u003cp\u003eIn the fifth case, $$$22550 \u003d 20500 + 2050$$$.\u003c/p\u003e"}}]}