Lehmät

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

g = [input() for _ in range(n)]


def laskelampaat(g):
    c = 0
    for i in g:
        if i == '*':
            return c
        if i == '@':
            c += 1
    return c
    
def etsilampaat(g, n, m):
    c = 0

    for i in range(n):
        if '@' in g[i] and '*' in g[i]:
            for j, s in enumerate(g[i]):
                if s == '*':
                    c += laskelampaat(g[i][(j+1)%m:m])
                    break

    print(c)

etsilampaat(g, n, m)

"""

5 10
.........@
@.*******.
..*.@.@.*.
.@*.@@@@*.
..*******.

"""

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