from scipy.special import comb
import sys
read = sys.stdin.readline
q = int(read())

for _ in range(q):
    n, m, k = map(int, read().split())
    a = comb(n, k) * m
    b = (n - k + 1) * pow(m, k)
    if a < b:
        print('Flush')
    else:
        print('Straight')