using System;
using System.Collections.Generic;
using System.Linq;

namespace yukicoder
{
    public class Program
    {
        public static void Main()
        {
            var n = int.Parse(Console.ReadLine());
            var a = new int[n];
            var b = new int[n];
            var i = 0;
            while (i != n)
            {
                var line = Console.ReadLine().Split(' ');
                a[i] = int.Parse(line[0]);
                b[i] = int.Parse(line[1]);
                i++;
            }
            i = 0;
            while (i != n)
            {
                if (a[i] == b[i])
                {
                    Console.WriteLine("=");
                }
                else if (Math.Max(a[i], b[i]) == a[i])
                {
                    Console.WriteLine((char)62);
                }
                else
                {
                    Console.WriteLine((char)60);
                }
                i++;
            }
        }
    }
}