凯撒加密

plaincode = input()
num = int(input())
for p in plaincode:   
    if ord("a") <= ord(p) <= ord("z"):
        print(chr(ord('a')+(ord(p)-ord('a')+num)%26),end='')
    elif ord("A") <= ord(p) <= ord("Z"):
        print(chr(ord('A')+(ord(p)-ord('A')+num)%26),end='')
    else:
        print(p,end="")