import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { static int ds(int a){ int k=0; while(a!=0) { k+=a%10; a/=10; } return k%3; } static String canConstruct(int[] a) { // Return "Yes" or "No" denoting whether you can construct the required number. int s=0; for(int i=0;i