codebook = input()
code = input()

alpha = "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".split(",")
alphaBackup = alpha[:]

codebookReclass = list()
for i in codebook:
    if i in codebookReclass:
        continue
    else:
        codebookReclass.append(i)
        alpha.remove(i)

codebookReclass = codebookReclass + alpha

codeDict = dict(zip(alphaBackup,codebookReclass))

res = list()
for j in code:
    res.append(codeDict[j])

print("".join(res))