图1是一个城堡的地形图。请你编写一个程序，计算城堡一共有多少房间，最大的房间有多大。城堡被分割成m n(m≤50，n≤50)个方块，每个方块可以有0~4面墙。 输入 程序从标准输入设备读入数据。第一行是两个整数，分别是南北向、东西向的方块数。在接下来的输入行里，每个方块用一个数字(0≤p≤50)描述。用一个数字表示方块周围的墙，1表示西墙，2表示北墙，4表示东墙，8表示南墙。每个方块用代表其周围墙的数字之和表示。城堡的内墙被计算两次，方块(1,1)的南墙同时也是方块(2,1)的北墙。输入的数据保证城堡至少有两个房间。 输出 城堡的房间数、城堡中最大房间所包括的方块数。结果显示在标准输出设备上。

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