// editor15
import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        String s1=sc.nextLine();
        String s2=sc.nextLine();
        String s3=sc.nextLine();
        String s4=sc.nextLIne();
        if(s1.equals(s3)&&s2.equals(s4)){
            System.out.println("true");
        }
        else{
            System.out.println("false");
        }
    }
}