题解 | #字符串加密#

str1=input()
str_test=input()
str2=''
str3=[]
k=0
for i in str1:
    if i not in str2:
        str2=str2+i   #删除重复元素
normal_str='abcdefghijklmnopqrstuvwxyz'
for i in normal_str:
    if i not in str2:
        str2=str2+i
for j in str_test:
    num=list(normal_str).index(j)
    str3.append(str2[num])
for i in str3:
    print(i,end='')