#JSRUN引擎2.0,支持多达30种语言在线运行,全仿真在线交互输入输出。
ALPHABET = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
#generated with ALPHABET.split('').shuffle.join
ENCODING = "MOhqm0PnycUZeLdK8YvDCgNfb7FJtiHT52BrxoAkas9RWlXpEujSGI64VzQ31w"
puts 'cUZeLdK8YvDCgNfb7FJtiHT52BrxoAka'.tr(ALPHABET, ENCODING)