def funnyString(s):
    # Write your code here
    
    start = 0
    end = len(s) - 1
    
    while start < (len(s) - 1) and end > 0:
        first = abs(ord(s[start]) - ord(s[start + 1]))    
        second = abs(ord(s[end]) - ord(s[end - 1]))
        if first != second:
            return "Not Funny"
            
        start += 1
        end -= 1
        
    return "Funny"