a,b,c=input(),input(),input()
if len(a)!=len(b) or len(b)<26 or set(a)!=set(b):
    print('Failed')
else:
    dic=dict(zip(a,b))
    for i in c:
        print(dic[i],end='')

#4:

AAQWERTYUIOPLKJHGFDSAZXCVBNM

ABQWERTYUIOPLKJHGFDSAZXCVBNM

HELLO

为啥会输出HELLO