Lehmät

height, width = map(int, input().split())
area = []
for x in range(height):
    area.append(input())
 
top = ""
bottom = ""
left = ""
right = ""
total = 0
for x in range(len(area)):
    if area[x].count("*") >= 3 and top == "":
        top = x
    elif area[x].count("*") >= 3 and top != "":
        bottom = x
for y in range(len(area)):
    if area[y].count("*") == 2:
        for i in range(len(area[y])):
            if area[y][i] == "*" and left == "":
                left = i
            elif area[y][i] == "*" and left != "":
                right = i
for x in range(len(area)):
    if x > top and x < bottom:
        for y in range(len(area[x])):
            if area[x][y] == "@" and y > left and y < right:
                total += 1
print(total)
 
    
        

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED