def caesarCipher(s, k):
    # Write your code here
    rotator = k % 26
    answer = ""
    for item in s:
        temp = item
        if item.isalpha():
            curr = ord(item) + rotator
            ascii_value = 0
            if item.isupper():
                ascii_value = int(curr-26) if curr > ord('Z') else curr
            elif item.islower():
                ascii_value = int(curr-26) if curr > ord('z') else curr
            temp = chr(ascii_value)
        answer += temp
    return answer