import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    }
} Main public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    } main {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    } Scanner reader = new Scanner(System.in); reader new Scanner(System.in) int[] array = new int[6]; array new int[6] 6 for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        } int i = 0; int i = 0; i 0 i < array.length i array.length array array.length i++ i++ i {
            array[i] = reader.nextInt();
        } {
            array[i] = reader.nextInt();
        } array[i] = reader.nextInt() array[i] array i reader.nextInt() reader.nextInt reader if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        } array[4] - array[0] <= array[5] array[4] - array[0] array[4] array 4 array[0] array 0 array[5] array 5 System.out.println("Yay!") System.out.println System.out System System.out "Yay!" {
            System.out.println(":(");
        } System.out.println(":(") System.out.println System.out System System.out ":(" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int[] array = new int[6];
        for (int i = 0; i < array.length; i++) {
            array[i] = reader.nextInt();
        }
        if (array[4] - array[0] <= array[5])
            System.out.println("Yay!");
        else {
            System.out.println(":(");
        }
    }
}