t=["" for i in range(26)]
t[0]="CpCzNkSuTbEoA"
for i in range(1,26):
    for c in t[i-1]:
        if c.isupper():
            t[i]+=chr(65+(ord(c)-65+1)%26)
        else:
            t[i]+=chr(97+(ord(c)-97+1)%26)
s=input()
n=int(input())
for c in s:
    if c.isupper():
        print(end=chr(65+(ord(c)-65+1)%26))
    elif c.islower():
        print(end=chr(97+(ord(c)-97+1)%26))
    elif 10>int(c)+n:
        print(end=str(int(c))+n)
    else:
        print(t[(n+int(c)-10)%26],end="")

print()