// program id : 45
// 1. เมนู และการรับตัวเลือกแบบ stdin.readLine
// 2. ใช้ if เลือกกระทำ แยก method
import java.io.*;
public class j1203 {
  public static void main(String args[]) throws IOException {
    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
    String buf=" ";
    while (!buf.equals("3")) {
      System.out.println("What is your option?");
      System.out.println("1. print 1 to 10");
      System.out.println("2. print 'ok'");
      System.out.println("3. exit");
      buf = stdin.readLine();
      if (buf.equals("1")) oho1();
      if (buf.equals("2")) { oho2(); }
    }
    System.out.println("See you again");
  }
  public static void oho1() {
    for (int i=1;i<=10;i++) {
      System.out.println(i);
    }
  }
  public static void oho2() {
    System.out.println("ok");
  }
}