P3087 [USACO13NOV] Farmer John has no Large Brown Cow S

Farmer John likes to collect as many different types of cows as possible. In fact, he has collected almost every conceivable type of cow, except for a few, written on a short list of N lines (1

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The input matches the sample given in the problem statement above. Farmer John would like to know the 7th cow on his farm, when listed in alphabetical order. Farmer john has cows matching the following descriptions, listed in alphabetical order: large brown silent large spotted silent large white noisy large white silent small brown noisy small brown silent small spotted noisy small spotted silent small white noisy The 7th cow in this list is described as "small spotted noisy".