{"trustable":false,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003e\n div.illustration {\n float: right;\n padding-left: 20px;\n }\n div.illustration .illustration {\n width: 100%;\n border-radius: 4px;\n }\n pre {\n display: block;\n margin: 0 0 10px;\n font-size: 13px;\n line-height: 1.42857143;\n color: #333;\n word-break: break-all;\n word-wrap: break-word;\n }\n\u003c/style\u003e\n\u003cscript\u003e\n window.katexOptions \u003d {\n delimiters: [\n {left: \u0027\\\\[\u0027, right: \u0027\\\\]\u0027, display: true}\n ]\n };\n\u003c/script\u003e\n","sections":[{"title":"INPUT","value":{"format":"HTML","content":"\u003cp\u003e輸入包含多筆測資,以EOF結尾。\u003c/p\u003e\n\u003cp\u003e每筆測資佔一行,包含兩整數\u003cb\u003eA\u003c/b\u003e、\u003cb\u003eB\u003c/b\u003e(0 ≤ \u003cb\u003eA\u003c/b\u003e, \u003cb\u003eB\u003c/b\u003e ≤ 10\u003csup\u003e15\u003c/sup\u003e)。"}},{"title":"OUTPUT","value":{"format":"HTML","content":"\u003cp\u003e對於每筆測資,請輸出一行。\u003c/p\u003e\n\u003cp\u003e每行包含一整數,為\u003cb\u003eA\u003c/b\u003e、\u003cb\u003eB\u003c/b\u003e兩數之差的絕對值。"}},{"title":"SAMPLE INPUT 1","value":{"format":"HTML","content":"\u003cfont face \u003d \"Courier New\"\u003e\u003cpre\u003e10 12\n71293781758123 72784\n1 12345677654321\n\u003c/pre\u003e\u003c/font\u003e"}},{"title":"SAMPLE OUTPUT 1","value":{"format":"HTML","content":"\u003cfont face \u003d \"Courier New\"\u003e\u003cpre\u003e2\n71293781685339\n12345677654320\n\u003c/pre\u003e\u003c/font\u003e"}}]}