s = input()
words = []
for i in range(1, len(s)- 1):
for j in range(i + 1, len(s)):
s1 = s[:i]
s2 = s[i:j]
s3 = s[j:]
words.append(s1[::-1] + s2[::-1] + s3[::-1])
print(min(words))
PREVIOUS[백준] 색종이 만들기
s = input()
words = []
for i in range(1, len(s)- 1):
for j in range(i + 1, len(s)):
s1 = s[:i]
s2 = s[i:j]
s3 = s[j:]
words.append(s1[::-1] + s2[::-1] + s3[::-1])
print(min(words))