# Funny String 😂🤣🤪😁
def funny_string(s):
    i, n = 0, len(s)
    for i in range(n-1):
        if abs( ord(s[i+1]) - ord(s[i]) ) != abs( ord(s[n-i-2]) - ord(s[n-i-1]) ):
            return 'Not Funny'
    return 'Funny'