def buildBeautifulString(firstDigit,size):
    bstring = str(firstDigit)
    i=0
    while len(bstring) < size:
        i+=1
        bstring += str(firstDigit+i)
    return bstring
    
def separateNumbers(s):
    result = "NO"
    for i in range(len(s)//2):
        if s == buildBeautifulString(int(s[:i+1]), len(s)):
            result = f"YES {s[:i+1]}"
            break
    print(result)