def separateNumbers(s):
    # Write your code here
    i=1
    while i-1 < len(s)//2:
        d=int(s[:i])
        if rec(d,s[i:]):
            print("YES "+s[:i])
            return
        else:
            i+=1
    print("NO")
    return
            
def rec(d,s):
    l = len(str(d+1))
    if len(s) < l:
        return False
    d_ = int(s[:l])
    if d_ == d+1:
        if len(s[l:])>0:
            return rec(d_,s[l:])
        else:
            return True
    else:
        return False