package timus;
import java.math.BigInteger;
import java.util.Scanner;
/**
* Created by sherxon on 12/4/16.
*/
public class DivorceoftheSevenDwarfs1243 {
public static void main(String[] args) {
Scanner in =new Scanner(System.in);
BigInteger integer=new BigInteger(in.next());
System.out.println(integer.remainder(new BigInteger(String.valueOf(7))));
}
}