Lehmät

def main():

    lista = []

    nums = input().split(" ")
    n = int(nums[0])
    m = int(nums[1])

    lines = []

    ind = 0
    while(ind < n):
        inp = input()
        ind += 1

        lines.append(inp)

    count = 0
    aitauksessa = False
    for line in lines:
        if not aitauksessa:
            for char in line:
                if char == "*":
                    aitauksessa = True
                    break
            continue
        if line.count("*") > 2:
            break
        line = line.split("*")
        count += line[1].count("@")

    print(count)



if __name__ == "__main__":
    main()

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