#P1560. [JSOI2009]火星藏宝图
[JSOI2009]火星藏宝图
No testdata at current.
Description

Input

Output

Samples
4 10
1 1 20
10 10 10
3 5 60
5 3 30
-4
Limitation

No testdata at current.



4 10
1 1 20
10 10 10
3 5 60
5 3 30
-4

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