Lehmät

firstline = input()
rivicount = int(firstline.split(" ")[0])
karttalist = []
for _ in range(rivicount):
    karttalist.append(input())

for rivi in karttalist:
    aita = False
    for char in rivi:
        if char == "*":
            aita = True
    if aita == False:
        karttalist.remove(rivi)       

#print(len(karttalist))

tilavasen = 0
aitavasen = False
tilaoikea = 0

for char in karttalist[0]:
    if aitavasen == False:
        if(char != "*"):
            tilavasen = tilavasen + 1
        else:
            aitavasen = True
    else: 
        if(char == "*"):
            continue
        else:
            tilaoikea = tilaoikea + 1

rivinum = 0

for rivi in karttalist:
    if(tilavasen != 0):
        karttalist[rivinum] = karttalist[rivinum][tilavasen:]
    if(tilaoikea != 0):
        karttalist[rivinum] = karttalist[rivinum][:-tilaoikea]
    rivinum = rivinum + 1

cownum = 0
for rivi in karttalist:
    for char in rivi:
        if(char == "@"):
            cownum = cownum + 1

print(cownum)

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: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: ACCEPTED

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