import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class Main {
	public static void main(String[] args) throws Exception {
		double l2 = Math.log10(2);
		double[] ln = new double[100001];
		for (int i = 1; i < ln.length; i++) {
			ln[i] = Math.log10(i) / l2;
			ln[i] += ln[i - 1];
		}

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int q = Integer.parseInt(br.readLine());
		PrintWriter pw = new PrintWriter(System.out);
		for (int i = 0; i < q; i++) {
			String[] sa = br.readLine().split(" ");
			int n = Integer.parseInt(sa[0]);
			int m = Integer.parseInt(sa[1]);
			int k = Integer.parseInt(sa[2]);
			double lm = Math.log10(m) / l2;
			double f = ln[n] - ln[n - k + 1];
			double s = lm * (k - 1) + ln[k];
			if (f > s) {
				pw.println("Straight");
			} else {
				pw.println("Flush");
			}
		}
		br.close();
		pw.flush();
	}
}