T = input()
key = ord(T[0]) ^ ord('C')

S = ""
for i in range(len(T)):
    S += chr(ord(T[i]) ^ key)

print(S)

17f18a3baa7419d36cfad959035586114519eeef
<mask token>

<mask token>
for i in range(len(T)):
    S += chr(ord(T[i]) ^ key)
print(S)

T = input()
key = ord(T[0]) ^ ord('C')
S = ''
for i in range(len(T)):
    S += chr(ord(T[i]) ^ key)
print(S)

T = input()
key = ord(T[0]) ^ ord('C')

S = ""
for i in range(len(T)):
    S += chr(ord(T[i]) ^ key)

print(S)
