import string
def Enigma(conversion):
    alpha = ['A', 'B', 'C', 'D', 'E' ,'F' ,'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
    result = ""
    l = len(conversion)
    i = 0
    usernum=int(raw_input("Insert a number you wish to shift the alphabet by: "))
    if usernum>= 26:
        usernum= usernum%26
    while i < l :
        try:
            result += alpha[(alpha.index(conversion[i])+usernum)]
            i += 1
        except:
            result += conversion[i]
            i+=1
    return result

conversion=string.upper(raw_input("Insert a message to be encoded: "))
while conversion[0] != ".":
    print Enigma(conversion)
    conversion=string.upper(raw_input("Insert a message to be encoded: "))
print "Bye!"