/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

public class Main {

  static int c(final int n) {
    return ((n / 3) + 1) * (1 - (n % 3));
  }

  public static void main(final String[] a) {
    System.out.println(c(0));
    System.out.println(c(11));
    System.out.println(c(76));
    System.out.println(c(134));
    System.out.println(c(296));
  }
}