'''
x = input()
print(len(x))
print(x[0])
print(x[0:5]) # x[0] ~ x[4]
print(x[:5])
print(x[2:])
print(x[-1]) #맨끝원소
print(x[-2])
print(x[2:-1])
x = 'a'
print(ord(x)) #문자->아스키코드 order
print(chr(97)) #아스키코드->문자
'''
# list= []
#
# for i in range(5) :
# list.append(input())
#
# print(list)
# n = int(input())
# arr = []
# l = []
# s = []
# z = 0
# for i in range(n):
# s.append(0)
# for i in range(n):
# arr.append(input())
# a = int(input())
# for i in range(a):
# l.append(input())
# q = arr.index(l[i])
# s[q] = 1
# for i in range(n):
# if not(s[i] == 1):
# z += 1
# print(z)
# for i in range(n):
# if not(s[i] == 1):
# print(arr[i])
# a, b = map(int,input().split())
# ls = []
# z = 0
# for i in range(a):
# ls.append(input())
# for i in range(a):
# if ls[i] == '<CENTER>':
# z = 1
# elif ls[i] == '</CENTER>':
# z = 0
# elif ls[i]=='<RIGHT>':
# z = 2
# elif ls[i]=='</RIGHT>':
# z = 0
# else:
# if z==0:
# if len(ls[i])<b:
# for j in range(len(ls[i])):
# if (ls[i])[j] == ' ':
# print('-', end='')
# else:
# print((ls[i])[j], end='')
# print()
# else:
#
# elif z==1:
# if len(ls[i]) < b:
#
# else:
# if len(ls[i]) < b:
#
# str = list(map(str, input().split()))
# width = 11
# i=0
#
#
#
# while i<len(str)-1:
# if(len(str[i])+1+len(str[i+1])<=width) :
# str[i]= str[i]+" "+str[i+1]
# del str[i+1]
# i+=1
#
# print(str)
#
# for i in range(len(str)) :
# #left
# print(str[i]+'-'*(width-len(str[i])))
# #center
# x = (width - len(str[i]))
# print('-'*(x//2)+str[i] + '-' * (x//2+1))