// Author: Damian Straszak

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

public class C 
{
	BufferedReader br;
	PrintWriter out;
	StringTokenizer st;
	boolean eof;



	void solve() throws IOException 
	{
		Locale.setDefault(Locale.US);
		int test = nextInt();
		while(test-->0)
		{
			int n = nextInt();
			int L = n+1;
			int limit=Math.min((int)(2*Math.sqrt(n)),n);
			for(int l=2;l<=limit;l++)
			{
				long k=((2*n)/l-l+1)/2;
				if (k>0 && l*(2*k+l-1)==2*n)
				{
					L=l;
					break;
				}
			}
			if (L<=n)
			{
				int K=(2*n/L-L+1)/2;
				out.print(String.format("%d = ",n));
				for(int i=0;i<L-1;i++) out.print(String.format("%d + ",K+i));
				out.println(K+L-1);
			}
			else out.println("IMPOSSIBLE");
		}
		
	}

	C() throws IOException 
	{
		br = new BufferedReader(new InputStreamReader(System.in));
		out = new PrintWriter(System.out);
		solve();
		out.close();
	}

	public static void main(String[] args) throws IOException 
	{
		new C();
	}

	String nextToken() 
	{
		while (st == null || !st.hasMoreTokens()) 
		{
			try 
			{
				st = new StringTokenizer(br.readLine());
			} 
			catch (Exception e) 
			{
				eof = true;
				return null;
			}
		}
		return st.nextToken();
	}

	String nextString() 
	{
		try 
		{
			return br.readLine();
		} 
		catch (IOException e) 
		{
			eof = true;
			return null;
		}
	}

	int nextInt() throws IOException 
	{
		return Integer.parseInt(nextToken());
	}

	long nextLong() throws IOException 
	{
		return Long.parseLong(nextToken());
	}

	double nextDouble() throws IOException 
	{
		return Double.parseDouble(nextToken());
	}
}