alpha = 'abcdefghijklmnopqrstuvwxyz'
alpha1 = 'ABCDEFGHIJRLMNOPQRSTUVWXYZ'
s = input()
res = ''
for c in s:
    if (c >= 'a') & (c <= 'z'):
        res += alpha[(alpha.index(c) - 13) % len(alpha)]
    elif (c >= 'A') & (c <= 'Z'):
        res += alpha1[(alpha1.index(c) - 13) % len(alpha1)]
    else:
        res += c
print(res)