import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    }
} import java.io.PrintWriter; PrintWriter java.io import java.util.ArrayList; ArrayList java.util import java.util.Collections; Collections java.util import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    }
} Main public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    } main {
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String answer = ":("; answer ":(" ArrayList <Integer> b = new ArrayList<>(); b new ArrayList<>() for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        } int i = 0; int i = 0; i 0 i<6 i 6 i++ i++ i {
            b.add(scan.nextInt());
        } {
            b.add(scan.nextInt());
        } b.add(scan.nextInt()) b.add b scan.nextInt() scan.nextInt scan int c = b.get(5); c b.get(5) b.get b 5 b.remove(   5) b.remove b 5 if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        } b.get(4)-b.get(0) <= c b.get(4)-b.get(0) b.get(4) b.get b 4 b.get(0) b.get b 0 c {
            answer = "Yay!";
        } answer = "Yay!" answer "Yay!" {
            answer = ":(";
        } answer = ":(" answer ":(" PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) out.println(answer) out.println out answer out.flush() out.flush out scan.close() scan.close scan String args[] args public class Main {
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    }
} public class Main {
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    }
} Main
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        String answer = ":(";
        ArrayList <Integer> b = new ArrayList<>();
        for(int i = 0;i<6;i++){
            b.add(scan.nextInt());
        }
        int c = b.get(5);
        b.remove(   5);
        if(b.get(4)-b.get(0) <= c){
            answer = "Yay!";
        }else{
            answer = ":(";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(answer);
        out.flush();
        scan.close();
    }
}