def main():
    q = int(input())
    fact = [0 for _ in range(111111)]
    fact[0] = 1
    for i in range(1, 110000):
        fact[i] = fact[i - 1] * i

    for _ in range(q):
        n, m, k = map(int, input().split())
        f = m * fact[n] / fact[k]
        s = (n - k + 1) * pow(m, k)
        if f < s:
            print('Flush')
        else:
            print('Straight')

if __name__ == '__main__':
    main()