n=gets.to_i
d=gets.to_i
s=gets.chomp

$memo = Array.new(50000, nil)

def parse(s, pos)
  if pos >= s.size
    return nil
  end
  if $memo[pos]
    return $memo[pos]
  end
  res = nil
  nxt = nil
  res, nxt = parse_mul(s, pos)
  if res.nil?
    return nil
  end
  res2 = nil
  nxt2 = nil
  if s[nxt] == '+'
    res2, nxt2 = parse(s, nxt + 1)
    if res2.nil?
      return nil
    end
    return [res + res2, nxt2]
  end
  return $memo[pos] = [res, nxt]
end
def parse_mul(s, pos)
  if pos >= s.size
    return nil
  end
  res = nil
  nxt = nil
  res, nxt = parse_simple(s, pos)
  if res.nil?
    return nil
  end
  res2 = nil
  nxt2 = nil
  if s[nxt] == '*'
    res2, nxt2 = parse_mul(s, nxt + 1)
    if res2.nil?
      return nil
    end
    return [mul(res, res2), nxt2]
  else
    return [res, nxt]
  end
end

def parse_simple(s, pos)
  res, nxt = parse_d(s, pos)
  if res
    return [res, nxt]
  end
  res, nxt = parse_obj(s, pos)
  if res
    return [res, nxt]
  end
  nil
end

def parse_d(s, pos)
  if s[pos] != 'd' || s[pos + 1] != '{'
    return nil
  end
  res, nxt = parse(s, pos + 2)
  if res.nil? || s[nxt] != '}'
    return nil
  end
  return [diff(res), nxt + 1]
end

def parse_obj(s, pos)
  if pos >= s.size
    return nil
  end
  if '0' <= s[pos] && s[pos] <= '9'
    return [[[s[pos].ord - 48, 0]], pos + 1]
  end
  if s[pos] == 'x'
    return [[[1, 1]], pos + 1]
  end
  nil
end

def diff(poly)
  res = []
  for p, q in poly
    if q >= 1
      res << [p * q, q - 1]
    end
  end
  res
end
def mul(poly1, poly2)
  res = []
  for p1, q1 in poly1
    for p2, q2 in poly2
      res << [p1 * p2, q1 + q2]
    end
  end
  res
end

for i in 0 ... s.size
  parse(s, s.size - i - 1)
end
result, pos = parse(s, 0)
poly = Array.new(d + 1, 0)
for p, q in result
  poly[q] += p
end
for i in 0 .. d
  print(poly[i])
  print(if i == d then "\n" else " " end)
end