{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv\u003e\n\u003cp\u003ebobo最近饱受微积分的折磨，他已经忘了大一学的内容了，你能帮帮他吗？\n\u003c/p\u003e\n已知\u003cimg src\u003d\"http://img0.ph.126.net/RmYTQZLwQtwGn7dBofIwDg\u003d\u003d/1036390864267750704.png\" width\u003d\"100\" height\u003d\"40\"\u003e，\u003cimg src\u003d\"http://img0.ph.126.net/KXHWzt9KMkG8lulQR9UjtQ\u003d\u003d/6632671953164551773.png\" width\u003d\"100\" height\u003d\"40\"\u003e，求\n\u003cimg src\u003d\"http://img2.ph.126.net/2jfP1_PivHgwwwcV6pCF0A\u003d\u003d/6632671953164551775.png\" width\u003d\"70\" height\u003d\"40\"\u003e 的值。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e注意此题需要多组数据读入，每行包括两个整数 A 和 B 。其中-10000000\u003c\u003d A, B \u003c\u003d10000000\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e对于每组数据，分别输出 \u003cimg src\u003d\"http://img2.ph.126.net/2jfP1_PivHgwwwcV6pCF0A\u003d\u003d/6632671953164551775.png\" width\u003d\"70\" height\u003d\"40\"\u003e 的值在独立的一行。\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"0 0"}},{"title":"Sample Output","value":{"format":"HTML","content":"0"}},{"title":"Attention","value":{"format":"HTML","content":""}},{"title":"Hint","value":{"format":"HTML","content":""}}]}