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

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

class Check
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "Let's dance the macarena";
		boolean ok = s.contains("dance");
		System.out.println(ok);
		ok = s.contains("car");
		System.out.println(ok);
		ok = s.contains("duck");
		System.out.println(ok);
	}
}