def separateNumbers(s):
    is_beautiful = False

    curr = s[0]
    first = curr
    next_start_idx = len(curr)
    while len(curr) <= len(s) // 2 and not is_beautiful:
        next_assumpted = str(int(curr) + 1)
        next_actual = s[next_start_idx:next_start_idx + len(next_assumpted)]
        if next_actual == next_assumpted:
            if next_start_idx + len(next_actual) == len(s):
                is_beautiful = True
            else:
                curr = next_actual
                next_start_idx += len(curr)

        else:
            curr = s[:len(curr) + 1]
            first = curr
            next_start_idx = len(curr)

    print(s, f'YES {first}' if is_beautiful else 'NO')