Lehmät

nM = input()

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

cowsIn = 0

lines = ""
for i in range(n):
    lines+=input()+"\n"

eachThing = lines.split()

for e in eachThing:
    if "*" in e:
        start = e.index('*')
        end = e.index('*',start+1)

        substring = e[start+1:end]
        for i in substring:
            if "@" in i:
                cowsIn += 1


print(cowsIn)

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