LA 6929

import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws IOException {
//        System.setIn(new FileInputStream(new File("/home/arif/Documents/inout/input.txt")));
//        System.setOut(new PrintStream(new File("/home/arif/Documents/inout/output.txt")));
        Scanner scanner = new Scanner(System.in);

        long[] arr = new long[30005];
        arr[1] = 1;
        for (int i=2;i<30002;i++)
            arr[i] = arr[i-1] + i;
//        System.out.println(arr[30001]);

        int tc = scanner.nextInt();
        while (tc-- >0) {
            long n = scanner.nextLong();
            long temp = n;
            while(temp%2==0)
                temp/=2;
            if(temp==1)
                System.out.println("IMPOSSIBLE");
            else {
                if (n%2==1)
                    System.out.println(n + " = " + n/2 + " + " + n/2 + 1);
                else {
                    int ind;
                    for (ind=2;ind<30002;ind++)
                        if ((n-arr[ind])%ind==0)
                            break;
                    long con = (n-arr[ind])/ind;
                    System.out.print(n + " = ");
                    int i;
                    for (i=1;i<ind;i++)
                        System.out.print(i+con + " + ");
                    System.out.println(i+con);
                }
            }
        }

        scanner.close();
    }
}