# 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'

function funnyString(s: string): string {
    let i = 1
    let j = s.length - 2
    
    while (i < s.length && j > -1) {
        let leftVal = Math.abs(s[i -1].charCodeAt(0) - s[i].charCodeAt(0))
        let rightVal = Math.abs(s[j].charCodeAt(0) - s[j + 1].charCodeAt(0))
        
        if (leftVal !== rightVal) {
            return "Not Funny"
        } 
         
        i++
        j--
    }
    
    return "Funny"
}

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"

string funnyString(string s) {
    string r = s;
    reverse(r.begin(), r.end());
    for(int i = 1; i < s.size(); i++){
        if(abs(s[i]-s[i-1]) != abs(r[i]- r[i-1])) return "Not Funny";
    }
    return "Funny";
}