import java.io.*;
public class If_Input
{
	public static void main (String[] args) throws IOException
	{
	BufferedReader dataln=new BufferedReader(new InputStreamReader(System.in));
	int age=0;
	String Text_Input;//ask for an integer input
	System.out.print("Guess my age:");
	Text_Input=dataln.readLine();
	age=Integer.parseInt(Text_Input);
	if(age==18)
	{
		System.out.println("Yes, I am " +age+ " years old.");
	}
		System.out.println("Thank you for guessing.");
	}
}