import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
import math

q = int(readline())
data = list(map(int,read().split()))

fr_log = [0] * (10**5+10)
for i in range(2,10**5+10):
    fr_log[i] = fr_log[i-1] + math.log(i)

ans = []
it = iter(data)
for n,m,k in zip(it,it,it):
    fn = math.log(m) + fr_log[n] - fr_log[n-k] - fr_log[k]
    sn = math.log(n-k+1) + k*math.log(m)
    if(fn < sn):
        ans.append('Flush')
    else:
        ans.append('Straight')

print('\n'.join(ans))