N = int(input())
S = list(input())
cnt = 0
if S.count('#')>S.count('.'):
  word = '#'
else:
  word = '.'
ans=""
for i in range(N):
  if i==0:
    ans+=S[i]
    pass
  if ans[-1]=='#' and S[i]=='.':
    cnt+=1
    ans+=word
  else:
    ans+=S[i]
  print(ans)
print(cnt)