Lehmät

n, m = map(int, input().split())
pen = []
cows = 0
cunt = 0
last_line = n - 1
for i in range(n):
  pen.append(input())

for i in range(len(pen)):
  if '*' in pen[i]:
    last_star = pen[i].rfind('*')
    first_star = pen[i].find('*')
    first_line = i
    break

for i in range(len(pen)):
  if '*' in pen[i]:
    cunt = 1
  elif cunt == 1 and '*' not in pen[i]:
    last_line = i - 1
    break

for i in range(first_line, last_line):
  for j in pen[i][first_star:last_star]:
    if j == '@':
      cows += 1
print(cows)

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