from math import log10

max0 = 10 ** 5
LX = [0] * (max0 + 1)
SLX = [0] * (max0 + 1)
for i in range(1, max0 + 1):
    LX[i] = log10(i)
    SLX[i] = SLX[i-1] + LX[i]

for _ in range(int(input())):
    N, M, K = map(int, input().split())
    if (K - 1) * LX[M] < SLX[N] - SLX[K] - SLX[N - K + 1]:
        print("Straight")
    else:
        print("Flush")