//第二题只用各位相加就行啦~ import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int t = sc.nextInt(); for (int i = 0; i < t; ++i) { long num = sc.nextLong(); if (num < 233 || num % 233 != 0) { System.out.println(-1); continue; } long n = num / 233; int res = 0; while (n > 0) { res += n % 10; n /= 10; } System.out.println(res); } } }