import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		while ((n--) != 0) {
			int s = Integer.signum(sc.nextInt() - sc.nextInt());
			if (s == 0) {
				System.out.println((char)61);
			} else if (s == -1) {
				System.out.println((char)60);
			} else if (s == 1) {
				System.out.println((char)62);
			}
		}
	}

}