s, t = input(), input()

# Algo
A = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
B = "1234567890BCDEFGHIJKLMNOPQRSTUVWXYZAbcdefghijklmnopqrstuvwxyza"
enc, dec = ['']*255, ['']*255
for i in range(len(A)): 
    enc[ord(A[i])] = B[i]
    dec[ord(B[i])] = A[i]

print(''.join(enc[ord(x)] for x in s))
print(''.join(dec[ord(x)] for x in t))