import java.io.File;
import java.io.FileInputStream;
import java.util.Random;

public class FilLeser {
	public static void main(String[] args) {
		String inn = new String(args[0]);
		File fil = new File(inn);
		
		byte[] b = new byte[(int)fil.length()];
		try {
			FileInputStream fi = new FileInputStream(fil);
			fi.read(b);
		} catch (Exception e) {}
		
		
		String innhold = new String(b);
		String[] ord = innhold.split(" ");
		
		int rl = ord.length;
		Random r = new Random();
		
		System.out.println(ord[r.nextInt(rl)]);
	}
}