20240731

n, m = map(int, input().split())

str = []

for i in range(n):

str.append(input())

z = 'left'

for i in range(n):

if str[i] == '</CENTER>' or str[i] == '</RIGHT>':

z = 'left'

elif str[i] == '<CENTER>':

z = 'center'

elif str[i] == '<RIGHT>':

z = 'right'

else:

arr = list(str[i].split())

arr.append('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')

j = 0

if z == 'left':

while j < len(arr)-1:

if len(arr[j]) + len(arr[j + 1]) + 1 > m:

print(arr[j]+'-'*(m-len(arr[j])))

else:

print(arr[j] + '-' + arr[j+1] + '-' * (m - (len(arr[j]) + len(arr[j + 1]) + 1)))

j += 1

j += 1

elif z == 'right':

while j < len(arr)-1:

if len(arr[j]) + len(arr[j + 1]) + 1 > m:

print('-'*(m-len(arr[j]))+arr[j])

else:

print('-' * (m - (len(arr[j]) + len(arr[j + 1]) + 1)) + arr[j] + '-' + arr[j + 1])

j += 1

j += 1

elif z == 'center':

while j < len(arr)-1:

if len(arr[j]) + len(arr[j + 1]) + 1 > m:

if (m - len(arr[j])) % 2 == 1:

print('-' * ((m - len(arr[j])) // 2) + arr[j] + '-' * ((m - len(arr[j])) // 2 + 1))

else:

print('-' * ((m - len(arr[j])) // 2) + arr[j] + '-' * ((m - len(arr[j])) // 2))

else:

q = arr[j] + '-' + arr[j + 1]

print('-' * ((m - len(q)) // 2) + q + '-' * ((m - len(q)) // 2))

j += 1

j += 1