import java.util.Scanner;

class Main {
    private static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();

        String result = (e-a <= sc.nextInt()) ? "Yay!" : ":(";
        System.out.println(result);
    }
} import java.util.Scanner; Scanner java.util class Main {
    private static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();

        String result = (e-a <= sc.nextInt()) ? "Yay!" : ":(";
        System.out.println(result);
    }
} Main private static Scanner sc = new Scanner(System.in); sc new Scanner(System.in) public static void main(String[] args) {
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();

        String result = (e-a <= sc.nextInt()) ? "Yay!" : ":(";
        System.out.println(result);
    } main {
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();

        String result = (e-a <= sc.nextInt()) ? "Yay!" : ":(";
        System.out.println(result);
    } int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int d = sc.nextInt(); d sc.nextInt() sc.nextInt sc int e = sc.nextInt(); e sc.nextInt() sc.nextInt sc String result = (e-a <= sc.nextInt()) ? "Yay!" : ":("; result (e-a <= sc.nextInt()) ? "Yay!" : ":(" (e-a <= sc.nextInt()) e-a e a sc.nextInt() sc.nextInt sc "Yay!" ":(" System.out.println(result) System.out.println System.out System System.out result String[] args args
import java.util.Scanner;

class Main {
    private static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();

        String result = (e-a <= sc.nextInt()) ? "Yay!" : ":(";
        System.out.println(result);
    }
}