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.io.*;
  import java.util.*;
  
  public class AyAz {
  
      public static void main(String[] args) throws IOException {
          int N = nextInt();
          int count = 0;
          for (int i = 0; i < N; i++) {
              int k = nextInt();
              for (int j = 0; j < k; j++) {
                  if ((count+1) % 3 == 0 || (count+1) % 10 == 3) {
                      if ((count+2) % 3 == 0 || (count+2) % 10 == 3){
                          count=count+2;
                      }else if (count != 0) {
                          count++;
                      }
                  }
                  count++;
              }
              System.out.println(count);
              count = 0;
          }
          out.close();
      }
  
      static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      static PrintWriter out = new PrintWriter(System.out);
      static StringTokenizer in = new StringTokenizer("");
  
  
      public static boolean hasNext() throws IOException {
          if (in.hasMoreTokens()) return true;
          String s;
          while ((s = br.readLine()) != null) {
              in = new StringTokenizer(s);
              if (in.hasMoreTokens()) return true;
          }
          return false;
      }
  
      public static String nextToken() throws IOException {
          while (!in.hasMoreTokens()) {
              in = new StringTokenizer(br.readLine());
          }
          return in.nextToken();
      }
  
      public static int nextInt() throws IOException {
          return Integer.parseInt(nextToken());
      }
  
      public static double nextDouble() throws IOException {
          return Double.parseDouble(nextToken());
      }
  
      public static long nextLong() throws IOException {
          return Long.parseLong(nextToken());
      }
  }