from decimal import *
import sys
getcontext().prec = 100
input = sys.stdin.readline
fac = [None] * 100001
fac[0] = Decimal(1)
for i in range(1, 100001):
    fac[i] = fac[i - 1] * i
q = int(input())
while q:
    q -= 1
    n, m, k = map(int, input().split())
    if fac[n] * m > fac[k] * fac[n-k+1] * Decimal(k) ** m:
        print("Straight")
    else:
        print("Flush")