8-2

# ---------------------------------
# ПРОСТОЕ КОДИРОВАНИЕ ТЕКСТА
# ВЫПОЛНИЛ: ДМИТРИЙ МИШУТИН, КЭ - 101
# ---------------------------------


inp = open("input.txt", "r")
tmp = open("input.txt", "r")
out = open("output.txt", "w")
n = int(list(tmp.read().split())[0])

latin_small = [chr(i) for i in range(ord("a"), ord("z") + 1)] # a..z
latin_big = [chr(i) for i in range(ord("A"), ord("Z") + 1)] # A..Z
kirill_small = [chr(i) for i in range(ord("а"), ord("я") + 1)] # а..я
kirill_big = [chr(i) for i in range(ord("А"), ord("Я") + 1)] # А..Я

for let in inp.read():
    if let in latin_small:
        out.write(latin_small[abs(ord(let) - ord("a") + n % 26) % 26])
    elif let in latin_big:
        out.write(latin_big[abs(ord(let) - ord("A") + n % 26) % 26])
    elif let in kirill_small:
        out.write(kirill_big[abs(ord(let) - ord("а") + n % 32) % 32])
    elif let in kirill_big:
        out.write(kirill_big[abs(ord(let) - ord("А") + n % 32) % 32])
    else:
        out.write(let)

inp.close()
tmp.close()
out.close()