Lehmät

input = str(input())

lines = input.split("\n")
cowAmount = 0

for line in lines:
    if line.count("*") == 2:
        start = line.find("*")
        end = line.find("*", start+1)
        while start < end:
            if line[start] == "@":
                cowAmount += 1
            start += 1
        
print(str(cowAmount))

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: WRONG ANSWER

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

Test 4

Group: 1, 2

Verdict: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER