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

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[] NMi => ReadLine().Split().Select(c => int.Parse(c) - 1).ToArray();
    static int[][] NMap(int n) => Enumerable.Repeat(0, n).Select(_ => NMi).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var logs = new double[100_001];
        var cums = new double[100_001];
        for (var i = 1; i < logs.Length; ++i)
        {
            logs[i] = Math.Log10(i);
            cums[i] = cums[i - 1] + logs[i];
        }
        var t = NN;
        var ans = new string[t];
        for (var i = 0; i < t; ++i)
        {
            var c = NList;
            var (n, m, k) = (c[0], c[1], c[2]);
            var f = cums[n] - cums[k] - cums[n - k] + logs[m];
            var s = logs[m] * k + logs[n + 1 - k];
            if (f < s) ans[i] = "Flush";
            else ans[i] = "Straight";
        }
        WriteLine(string.Join("\n", ans));
    }
}