Halloween party

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

public class Solution {

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


    /*
     * Complete the halloweenParty function below.
     */
    static BigInteger halloweenParty(int n) {
        /*
         * Write your code here.
         */

BigInteger bigInteger=new BigInteger( String.valueOf(n) );

    //    System.out.println("d: "+bigInteger.mod(new BigInteger("2") ));

  //      System.out.println("e: "+bigInteger.divide(new BigInteger("2" )).multiply( bigInteger.divide(new BigInteger("2" )) ));
        
if(bigInteger.mod(new BigInteger("2") ).longValue()==new BigInteger("0").longValue()){
    
//    System.out.println("d: "+bigInteger.divide(new BigInteger("2" )).multiply( bigInteger.divide(new BigInteger("2" )) ));
    
    return bigInteger.divide(new BigInteger("2" )).multiply( bigInteger.divide(new BigInteger("2" )) );

//return 0;

    }

return bigInteger.divide(new BigInteger("2" )).multiply( bigInteger.divide(new BigInteger("2" )).add(new BigInteger("1")) );
    }

    public static void main(String[] args) throws IOException {
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int t = scanner.nextInt();
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])*");

        for (int tItr = 0; tItr < t; tItr++) {
            int k = scanner.nextInt();
            scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])*");

            BigInteger result = halloweenParty(k);

            bufferedWriter.write(String.valueOf(result));
            bufferedWriter.newLine();
        }

        bufferedWriter.close();

        scanner.close();
    }
}