using System;

public class Hello
{
    public static void Main()
    {
        var n = int.Parse(Console.ReadLine().Trim());
        var p = 0;
        while (p != n)
        {
            string[] line = Console.ReadLine().Trim().Split(' ');
            var a = int.Parse(line[0]);
            var b = int.Parse(line[1]);
            if (a == b)  Console.WriteLine('='); 
            else if (Math.Max(a, b) == a) Console.WriteLine((char)62);
            else Console.WriteLine((char)60);
            p++;
        }
    }
}