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狂欢之椅

题目背景

刚毅的土豆服务器又发病了，狂欢之椅不能起飞，刚毅让你把他们修好，会给你960回声当做报酬。

题目描述

现在有n个狂欢之椅要维修，每个狂欢之椅要用不同的零件维修，每个需要x个，请问不同零件分别要多少。

样例

5
3 4
1 2
2 6
2 4
1 7

1 9
2 10
3 4