Types: N: int, F: int, M: int, itemj: str

Ranges: 1 ≤ N ≤ 100, 1 ≤ F ≤ 100, 1 ≤ M ≤ 10, 1 ≤ len(itemj) ≤ 30

Addtl Info: itemj consists of lowercase English letters, no two items in infoi are the same.