from math import log2
l = [0]
for i in range(2, 100001):
    l.append(l[-1] + log2(i))
for _ in range(int(input())):
    n, m, k = map(int, input().split())
    if l[n - 1] < l[n - k] + l[k - 1] + (k - 1) * log2(m):
        print("Flush")
    else:
        print("Straight")