{"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\n\u003cscript\u003e\n window.katexOptions \u003d {\n delimiters: [\n {left: \u0027$$$$$$\u0027, right: \u0027$$$$$$\u0027, display: true},\n {left: \u0027$$$\u0027, right: \u0027$$$\u0027, display: false},\n {left: \u0027$$\u0027, right: \u0027$$\u0027, display: true},\n {left: \u0027$\u0027, right: \u0027$\u0027, display: false}\n ]\n };\n\u003c/script\u003e\n","sections":[{"title":"","value":{"format":"MD","content":"Alice 和 Bob 在玩游戏。\n\n初始有一个仅由01构成的字符串。Alice 和 Bob 轮流进行游戏,Alice 先行。轮到某个人的时候,他需要从原串中找到并删除两个相邻且不同的字符(01或10),无法操作者输。\n\n两人都用最优的策略进行,你需要确定谁能够赢得游戏。"}},{"title":"Input","value":{"format":"MD","content":"第一行输入一个整数 t (1 ≤ t ≤ 1000) 表示测试数据的数量。\n\n接下类每组数据输入一个字符串 s (1 ≤ ∣s∣ ≤ 100),表示初始字符串。"}},{"title":"Output","value":{"format":"MD","content":"对于每组数据,如果 Alice 赢,输出 DA,否则输出 NET。"}},{"title":"Example","value":{"format":"MD","content":"\u003cdiv class\u003d\"sample-test\"\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e3\n01\n1111\n0011\n\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003eDA\nNET\nNET\n\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}},{"title":"Note","value":{"format":"MD","content":"在第一个测试用例中,在Alice操作后,字符串s变为空,Bob不能进行任何移动。\n\n在第二个测试用例中,Alice不能做任何操作。\n\n在第三个测试用例中,在Alice的操作之后,字符串s变成01。然后,在Bob的操作之后,字符串s变为空,Alice不能做任何操作。"}}]}