题解 | #字符串加密#

key = input()
s = input()
A = 'abcdefghijklmnopqrstuvwxyz'

kkey = ''
for i in key:
    if i not in kkey:
        kkey += i

for i in A:
    if i not in kkey:
        kkey += i
res = ''
for i in s:
    res += kkey[A.index(i)]
print(res)