FACTORIAL = {}
FACTORIAL[0] = 1
for i in 1..3000 do
  FACTORIAL[i] = FACTORIAL[i-1] * i
end

gets
while line = gets do
  d, x, t = line.split.map(&:to_i)
  r = FACTORIAL[x + d - 1] / FACTORIAL[x] / FACTORIAL[d - 1] #combinationの計算
  puts r <= t ? "AC" : "ZETUBOU"
end