there is his code : http://mirror.codeforces.com/contest/610/submission/15050289↵
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As we can see: ↵
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![ ](http://mirror.codeforces.com/predownloaded/d3/2f/d32f8ea0395711a3b413b48e7c06889068d1ac28.png)↵
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He geot accepted.↵
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But his code got wa2.↵
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![ ](http://mirror.codeforces.com/predownloaded/d9/cb/d9cbb04df41336dca55e156253d77df9af60e474.png)↵
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Maybe this is a Christmas presents?↵
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lol↵
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As we can see: ↵
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![ ](http://mirror.codeforces.com/predownloaded/d3/2f/d32f8ea0395711a3b413b48e7c06889068d1ac28.png)↵
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He g
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But his code got wa2.↵
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![ ](http://mirror.codeforces.com/predownloaded/d9/cb/d9cbb04df41336dca55e156253d77df9af60e474.png)↵
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Maybe this is a Christmas present
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lol↵
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