Lehmät

n, m = map(int, input().split(" "))

map = []
for i in range(n):
    map.append(input())

for row in map:
    wall = row.find('*')
    if (wall == -1):
       map.remove(row)
 
first = map[0].find('*')
last = map[0].rfind('*')

cows = 0

for row in map:
    row = row[first:last]
    cows += row.count('@')

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: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER