def calc(N,K,M):
  ans = 1
  for i in range(K):
    ans *= N-i
    ans /= (i+1)*M
  ans *= M/(N-K+1)
  if ans>1:
    return 'Straight'
  return 'Flush'
def solve():
  Q = int(input())
  ans = [0]*Q
  for i in range(Q):
    N, M, K = map(int, input().split())
    ans[i] = calc(N,K,M)
  return ans
print(*solve(),sep='\n')