Lehmät

def I():
    return map(int, input().split())


n, m = I()
amount = 0
phase = 0
for _ in range(n):
    l = input()
    if l.find("***") != -1:
        phase += 1
        continue
    if phase == 1:
        amount += l.split("*")[1].count("@")
print(amount)

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