import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
} Main public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    } main {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    } try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } IOException | NumberFormatException e {
            e.printStackTrace();
            System.exit(0);
        } e.printStackTrace() e.printStackTrace e System.exit(0) System.exit System 0 catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        } final Exception e {
            e.printStackTrace();
            System.exit(0);
        } e.printStackTrace() e.printStackTrace e System.exit(0) System.exit System 0 {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) int locateOfAntennaA = Integer.parseInt(br.readLine()); locateOfAntennaA Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br br.readLine() br.readLine br br.readLine() br.readLine br br.readLine() br.readLine br int locateOfAntennaE = Integer.parseInt(br.readLine()); locateOfAntennaE Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br int availableDistance = Integer.parseInt(br.readLine()); availableDistance Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br String result = "Yay!"; result "Yay!" if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            } availableDistance < locateOfAntennaE - locateOfAntennaA availableDistance locateOfAntennaE - locateOfAntennaA locateOfAntennaE locateOfAntennaA {
                result = ":(";
            } result = ":(" result ":(" System.out.println(result) System.out.println System.out System System.out result String[] args args
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            int locateOfAntennaA = Integer.parseInt(br.readLine());
            br.readLine();
            br.readLine();
            br.readLine();
            int locateOfAntennaE = Integer.parseInt(br.readLine());
            int availableDistance = Integer.parseInt(br.readLine());

            String result = "Yay!";
            if (availableDistance < locateOfAntennaE - locateOfAntennaA) {
                result = ":(";
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
}