// Arup Guha
// 11/5/2016
// Solution to SER 2016 Division II Problem E: Histogram

import java.util.*;

public class histogram {

	public static void main(String[] args) {

		Scanner stdin = new Scanner(System.in);
		int n = stdin.nextInt();
		
		// For each case, print out len equal signs =)
		for (int loop=0; loop<n; loop++) {
			int len = stdin.nextInt();
			for (int i=0; i<len; i++)
				System.out.print("=");
			System.out.println();
		}
	}
}