Additive sequence

//Additive sequence

import java.util.*;

public class GFG {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();

        while(t-- > 0) {
            String s = sc.next();
            Solution ss = new Solution();
            boolean result = ss.isAdditiveSequence(s);
            System.out.println((result == true ? 1 : 0));
        }
        sc.close();
    }
}

class Solution {
    
    static String findSum(String a, String b){
        int i = a.length() - 1, j = b.length() - 1;
        StringBuilder ans = new StringBuilder();
        int carry = 0;
        
        while(i >= 0 && j >= 0) {
            int sum = (a.charAt(i) - '0') + (b.charAt(j) - '0') + carry;
            ans.append((char)sum % 10);
            carry = sum / 10;
            i--;
            j--;
        }
        
        while(i >= 0) {
            int sum = (a.charAt(i) - '0') + carry;
            ans.append((char)sum % 10);
            carry = sum / 10;
            i--;
        }
        
        while(j >= 0) {
            int sum = (b.charAt(j) - '0') + carry;
            ans.append((char)sum % 10);
            carry = sum / 10;
            j--;
        }
        
        if(carry != 0) {
            ans.append((char)(carry + '0'));
        }
        
        StringBuilder temp = ans.reverse();
        
        return temp.toString();
    }
    
    static boolean help(String a, String b, String c) {
        String sum = findSum(a, b);
        int i = 0, j = 0;
        
        while(i < c.length() && j < sum.length()) {
            if(c.charAt(i) != sum.charAt(j)) {
                return false;
            }
            
            i++;
            j++;
        }
        
        if(j != sum.length()) {
            return false;
        }
        
        if(i == c.length()) {
            return true;
        }
        
        c = c.substring(i);
        
        return help(b, sum, c);
    }
    
    public boolean isAdditiveSequence(String n) {
        for(int i = 0; i < n.length() / 2; i++) {
            for(int j = i + 1; j < n.length() - 1; j++) {
                String a = n.substring(0, i + 1);
                String b = n.substring(i + 1, j + 1);
                String c = n.substring(j + 1);
                if(help(a, b, c)) {
                    return true;
                }
            }
        }
        
        return false;
    }
}