题解 | #字符串加密#

key = input()
s = input()
l1 = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
l2 = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
l3 = []
l4 = []
l5 = []
for i in key:
    if i not in l3:
        l3.append(i)
l3.extend(l2)
for i in l3:
    if i not in l4:
        l4.append(i)
for i in s:
    l5.append(l4[l1.index(i)])
print("".join(l5))