Lehmät

n,m=map(int,input().split())
cows=0
c = 0
last_line=n-1
pen=[]
for i in range(n):
  pen.append(input())
for i in range(0,len(pen)):
  if '*' in pen[i]:
    last_star=pen[i].rfind('*')
    first_star=pen[i].find('*')
    first_line=i
    break
    
for i in range(len(pen)):
    if '*' in pen[i]:
        c=1
    elif c==1 and '*' not in pen[i]:
        last_line=i-1
        break

for i in range(first_line,last_line):
    for j in pen[i][first_star:last_star]:
        if j=='@':
            cows+=1
print(cows)

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