题解 | #字符串加密#

# 大写小写都加上去了
i1 = input()
i2 = input()

lMap = [chr(ord("a")+i) for i in range(26) ]
cMap = [chr(ord("A")+i) for i in range(26) ]
lList = []
cList = []
for i in i1:
    if i in lMap:
        lList.append(i)
        lMap.remove(i)
    elif i in cMap:
        cMap.remove(i)
        cList.append(i)

lList += lMap
cList += cMap
outChar = ""
for i in i2:
    if i in lList:
        outChar += lList[ord(i) - ord("a")]
    elif i in cList:
        outChar += cList[ord(i) - ord("A")]
    else:
        outChar += i
print(outChar)