description: Polycarp doesn't like integers that are divisible by 3 or end with the digit 3 in their decimal representation. Integers that meet both conditions are disliked by Polycarp, too.
  
  Polycarp starts to write out the positive (greater than 0) integers which he likes: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, .... Output the k-th element of this sequence (the elements are numbered from 1).
  
  Input
  
  The first line contains one integer t (1 ≤ t ≤ 100) — the number of test cases. Then t test cases follow.
  
  Each test case consists of one line containing one integer k (1 ≤ k ≤ 1000).
  
  Output
  
  For each test case, output in a separate line one integer x — the k-th element of the sequence that was written out by Polycarp.
  
  Example
  
  Input
  
  
  10
  1
  2
  3
  4
  5
  6
  7
  8
  9
  1000
  
  
  Output
  
  
  1
  2
  4
  5
  7
  8
  10
  11
  14
  1666
solution: import java.util.*;
  import java.io.*;
  
  public class dislike_threes {
      public static void main(String[] args) {
          Scanner sc = new Scanner(System.in);
          int arr[]=new int[2000];
          for(int i=0;i<arr.length;i++)
          {
              if(i%3==0 || i%10==3)
                  arr[i]=1;
          }
          int t=sc.nextInt();
          for(int i=0;i<t;i++)
          {
              int k=sc.nextInt();
              int c=0; int elem=0;
              for(int j=1;j<arr.length;j++)
              {
                  if(arr[j]!=1)
                      c++;
                  if(c==k) {
                      elem=j;
                      break;
                  }
              }
              System.out.println(elem);
          }
  
      }
  }
  