local mlg = math.log
local q = io.read("*n")

local lgsum = {0}
for i = 2, 100010 do
  lgsum[i] = lgsum[i - 1] + mlg(i)
end
local function getLogSum(i)
  if i == 0 then return 0
  else return lgsum[i]
  end
end

for iq = 1, q do
  local n, m, k = io.read("*n", "*n", "*n")
  if n < k then
    print("Flush")
  else
    --[[
    local f = 1
    for i = 1, k - 1 do
      f = f * (n - i) / (n * m - i)
    end
    local s = 1
    for i = 1, k - 1 do
      s = s * (m * (n - i)) / (n * m - i)
    end
    s = s * (n + 1 - k) / getComb(n, k)
    print(f, s)
    ]]
    local sf = (k - 1) * mlg(m) + mlg(n + 1 - k)
             + getLogSum(k) + getLogSum(n - k) - getLogSum(n)
    print(sf < 0 and "Straight" or "Flush")
  end
end