import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

    if (e - a > k) {
      System.out.println(":(");
    } else {
      System.out.println("Yay!");
    }
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

    if (e - a > k) {
      System.out.println(":(");
    } else {
      System.out.println("Yay!");
    }
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

    if (e - a > k) {
      System.out.println(":(");
    } else {
      System.out.println("Yay!");
    }
  } main {
    Scanner sc = new Scanner(System.in);

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

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

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

    if (e - a > k) {
      System.out.println(":(");
    } else {
      System.out.println("Yay!");
    }
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

    if (e - a > k) {
      System.out.println(":(");
    } else {
      System.out.println("Yay!");
    }
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);

    int[] list = new int[6];
    for (int i = 0; i < 6 ; i++ ) {
      list[i] = sc.nextInt();
    }

    int a = list[0];
    int e = list[4];
    int k = list[5];

    if (e - a > k) {
      System.out.println(":(");
    } else {
      System.out.println("Yay!");
    }
  }
}
