def func(a,b):
    l1 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    l2 = "BCDEFGHIJKLMNOPQRSTUVWXYZAbcdefghijklmnopqrstuvwxyza1234567890"
    if b ==1:
        str_in,str_out = l1,l2
    else:
       str_in,str_out = l2,l1
    result = ""
    for i in a:
        result += str_in[str_out.index(i)]
    print(result)
while True:
    try:
        func(input(),-1)
        func(input(),1)
    except:
        break