For Java15

import java.util.Scanner;

class Solution
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        
        int n = sc.nextInt();
        
        sc.close();
        
        if(n % 2 != 0)
            System.out.println("Weird");
        else
        {
            if(n>=2 && n<=5)
                System.out.println("Not Weird");
            if(n>=6 && n<=20)
                System.out.println("Weird");
            if(n > 20)
                System.out.println("Not Weird");
        }
    }
}

import java.io.; import java.math.; import java.security.; import java.text.; import java.util.; import java.util.concurrent.; import java.util.regex.*;

public class Solution {

private static final Scanner scanner = new Scanner(System.in);

public static void main(String[] args) {
    int N = scanner.nextInt();
    scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

    if(N%2!=0)
    {
        System.out.println("Weird");
    }
    else if(N%2==0 && N>=2 && N<=5)
    {
        System.out.println("Not Weird");
    }
    else if(N%2==0 && N>=6 && N<=20)
    {
        System.out.println("Weird");
    }
    else if(N%2==0 && N>=20)
    {
        System.out.println("Not Weird");
    }
    scanner.close();
}

}

//Can implement like this also import java.io.; import java.math.; import java.security.; import java.text.; import java.util.; import java.util.concurrent.; import java.util.regex.*;

public class Solution {

private static final Scanner scanner = new Scanner(System.in);

public static void main(String[] args) {
    int N = scanner.nextInt();
    scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

    scanner.close();
    if (N%2!=0)
    {
        System.out.println("Weird");
    }
    else if(N>=2 && N<=5)
    {
        System.out.println("Not Weird");
    }
    else if(N>=6 && N<=20)
    {
        System.out.println("Weird");
    }
    else if(N>20)
    {
        System.out.println("Not Weird");
    }
}

}

import java.util.*;

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

    if (n % 2 != 0) {
        System.out.println("Weird");
    } else {
        if (n >= 2 && n <= 5) {
            System.out.println("Not Weird");
        } else if (n >= 6 && n <= 20) {
            System.out.println("Weird");
        } else if (n > 20) {
            System.out.println("Not Weird");
        }
    }
}

}