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


public class Main_yukicoder3032 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		char lt = (char)('=' - 1);
		char gt = (char)('=' + 1);

		int n = sc.nextInt();

		for (int i = 0; i != n; i++) {
			int a = sc.nextInt();
			int b = sc.nextInt();

			int comp = Integer.compare(a, b);

			if (comp == 0) {
				pr.println('=');
			} else if (Integer.toString(comp).toCharArray()[0] == '-') {
				pr.println(lt);
			} else {
				pr.println(gt);
			}
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(INPUT == null ? System.in : new ByteArrayInputStream(INPUT.getBytes()));
		pr = new Printer(System.out);

		solve();

//		pr.close();
		pr.flush();
//		sc.close();
	}

	static String INPUT = null;

	private static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}