import kotlin.math.ln

fun main() {
    val builder = StringBuilder()

    // 何も分からんので解説を読む
    val maxN = 100000

    val sumLog = DoubleArray(maxN + 1)

    for (i in 1..maxN) {
        sumLog[i] = sumLog[i - 1] + ln(i.toDouble())
    }

    val q = readInputLine().toInt()

    repeat(q) {
        val (n, m, k) = readInputLine().split(" ").map { it.toInt() }

        builder.appendln(if (sumLog[n] < sumLog[n - k + 1] + sumLog[k] + ln(m.toDouble()) * (k - 1).toDouble()) "Flush" else "Straight")
    }

    print(builder.toString())
}

fun readInputLine(): String {
    return readLine()!!
}