Lehmät

korkeus, leveys = input().split()

kartta = []
for i in range(int(korkeus)):
    rivi = input()
    kartta.append(rivi)



def aitaus(kartta: list):
    lehmat = 0
    for k in kartta:
        if k.count("*") == 2:
            k = k[k.find("*") + 1:]
            k = k[:k.find("*")]
            lehmat += k.count("@")
    return lehmat

print(aitaus(kartta))




            

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