import java.util.Scanner;

public class LabProgram {
   public static void main(String[] args) {
      /* Type your code here. */
	   Scanner scnr = new Scanner(System.in);
	   int x;
int z = 0;
x = scnr.nextInt();
if (x > 9)
 z = 3;
 z = z + 1;
System.out.print(z);
   }}