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from itertools import islice
from sys import stdin
mat = tuple(map(str.strip, stdin.readlines()))
m = len(mat)
n = len(mat[0])
print(sum(c == 'A' and ({mat[i-1][j-1], mat[i+1][j+1]}
== {mat[i-1][j+1], mat[i+1][j-1]} == {'M', 'S'})
for i, line in islice(enumerate(mat), 1, m-1)
for j, c in islice(enumerate(line), 1, n-1)))
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