给一段字符串加密并解密
#coding;utf-8
'''
给一段字符串加密并解密
'''
import base64
s = raw_input()
s1 = base64.encodestring(s)
s2 = base64.decodestring(s1)
print s1,s2
#coding;utf-8
'''
给一段字符串加密并解密
'''
import base64
s = raw_input()
s1 = base64.encodestring(s)
s2 = base64.decodestring(s1)
print s1,s2