/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner sc=new Scanner(System.in);
		int t=sc.nextInt();
		while(t-->0)
		{
			String s=sc.next();
			int n=Integer.parseInt(s);
			int a=Integer.parseInt(s.substring(0,2));
			int b=Integer.parseInt(s.substring(2,4));
			int sum=a+b;
 
			if(sum*sum ==n)
			System.out.println(a+" "+b);
			else 
			System.out.println("-1");
		}
	}
}

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NQowMDAxCjEwMDEKMTAwMAo0OTAwCjIwMjUK

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