// Author: Damian Straszak

#include <iostream>

using namespace std;

int n;

bool good(int x)
{
	if (x==1) return 0;
	if ((2*n)%x) return 0;
	int y=2*n/x;
	if (y%2==x%2) return 0;
	return 1;
}

int main()
{
    ios_base::sync_with_stdio(0);
    int test;
    cin>>test;
    while(test--)
    {
    	cin>>n;
    	int L=n+1;
    	for(int x=1;x*x<=2*n;x++)
    	{
    		if (good(x))
    		{
    			L=x;
    			break;
    		}
    	}
    	if (L<=n)
    	{
    		int K=(2*n/L-L+1)/2;
    		cout<<n<<" = ";
    		for(int i=0;i<L-1;i++) cout<<K+i<<" + ";
    		cout<<K+L-1<<"\n";
    	}
    	else cout<<"IMPOSSIBLE\n";
    }
	return 0;
}