{"trustable":true,"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":"\u003cdiv class\u003d\"panel_content\"\u003eThe Sky is Sprite.\u003cbr\u003eThe Birds is Fly in the Sky.\u003cbr\u003eThe Wind is Wonderful.\u003cbr\u003eBlew Throw the Trees\u003cbr\u003eTrees are Shaking, Leaves are Falling.\u003cbr\u003eLovers Walk passing, and so are You. \u003cbr\u003e................................Write in English class by yifenfei\u003cbr\u003e\u003cbr\u003e\u003cimg style\u003d\"max-width:100%;\" src\u003d\"CDN_BASE_URL/a8cac8a43d70d59bcc06c27571a96e81?v\u003d1715221464\"\u003e \u003cbr\u003e\u003cbr\u003eGirls are clever and bright. In HDU every girl like math. Every girl like to solve math problem!\u003cbr\u003eNow tell you two nonnegative integer a and b. Find the nonnegative integer X and integer Y to satisfy X*a + Y*b \u003d 1. If no such answer print \"sorry\" instead.\u003cbr\u003e\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"The input contains multiple test cases.\u003cbr\u003eEach case two nonnegative integer a,b (0\u0026lt;a, b\u0026lt;\u003d2^31)\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"output nonnegative integer X and integer Y, if there are more answers than the X smaller one will be choosed. If no answer put \"sorry\" instead. \u003cbr\u003e"}},{"title":"Sample","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\u003e77 51\r\n10 44\r\n34 79\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e2 -3\r\nsorry\r\n7 -3\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}