Lehmät

n_ja_m = input("").split(" ")
n = int(n_ja_m[0])
m = int(n_ja_m[1])
rivit = []
summa = 0

for i in range(n):
    rivit.append(input(""))

for a in rivit:
    if not "*" in a or "**" in a:
        continue
    sisalla = False
    for b in a:
        if b == "*":
            sisalla = not sisalla
        if b == "@" and sisalla:
            summa += 1

print(summa)
        

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