def henkan(c):
    if "a" <= c < "z" or "A" <= c < "Z" or "0" <= c < "9":
        return chr(ord(c) + 1)
    if c == "z":
        return "a"
    if c == "Z":
        return "A"
    if c == "9":
        return "CpCzNkSuTbEoA"
    assert False

S = input()
n = int(input())
if n >= 36:
    n = 10 + (n - 10) % 26
for _ in range(n):
    S = "".join(map(henkan, S))
print(S)