arr = []
c = 0
with open("input04.txt") as file:
    for line in file:
        arr.append([])
        for a in line:
            arr[c].append(a)
        c += 1
ctr = 0
for i in range (0,len(arr)):
    for j in range(0,len(arr[i])):
        if arr[i][j] == "X":
            if i > 2 and j > 2:
                if arr[i-1][j-1] == "M" and arr[i-2][j-2] == "A" and arr[i-3][j-3] == "S":
                    ctr += 1
            if i > 2:
                if arr[i-1][j] == "M" and arr[i-2][j] == "A" and arr[i-3][j] == "S":
                    ctr += 1
            if j > 2:
                if arr[i][j-1] == "M" and arr[i][j-2] == "A" and arr[i][j-3] == "S":
                    ctr += 1
            if i < len(arr)-3 and j < len(arr[i])-3:
                if arr[i+1][j+1] == "M" and arr[i+2][j+2] == "A" and arr[i+3][j+3] == "S":
                    ctr += 1
            if i < len(arr)-3:
                if arr[i+1][j] == "M" and arr[i+2][j] == "A" and  arr[i+3][j] == "S":
                    ctr += 1
            if j < len(arr[i])-3:
                if arr[i][j+1] == "M" and arr[i][j+2] == "A" and arr[i][j+3] == "S":
                    ctr += 1
print(ctr)