# 2024年10月30日   周三   上午9:16

A = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
B = "1234567890bcdefghijklmnopqrstuvwxyzaBCDEFGHIJKLMNOPQRSTUVWXYZA"
s1 = input()
s2 = input()
s3 = ""
s4 = ""
for i in s1:
    if i in A:
        s3 += B[A.index(i)]
    else:
        s3 += i
print(s3)

for i in s2:
    if i in B:
        s4 += A[B.index(i)]
    else:
        s4 += i
print(s4)