using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = int.Parse(ReadLine());
        var ans = new char[n];
        for (var i = 0; i != n; ++i)
        {
            var c = ReadLine().Split();
            var a = int.Parse(c[0]);
            var b = int.Parse(c[1]);
            var min = Math.Min(a, b);
            if (min == a && min == b) ans[i] = '=';
            else if (min == a) ans[i] = (char)60;
            else ans[i] = (char)62;
        }
        for (var i = 0; i != n; ++i) WriteLine(ans[i]);
    }
}