S = input()
N = int(input())

for _ in range(N):
    SN = ''
    for a in S:
        if a == 'z':
            SN += 'a'
        elif a == 'Z':
            SN += 'A'
        elif a == '9':
            SN += 'CpCzNkSuTbEoA'
        else:
            SN += chr(ord(a)+1)
    S = SN
    
print(S)