package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)
var rdr = bufio.NewReaderSize(os.Stdin, 1000000)

func main() {
	sc.Split(bufio.ScanWords)
	q := nextInt()
	for i := 0; i < q; i++ {
		d, x, t := nextInt(), nextInt(), nextInt()
		if ncr(d+x-1, x, t) {
			fmt.Println("AC")
			continue
		}
		fmt.Println("ZETUBOU")
	}
}

func nextLine() string {
	sc.Scan()
	return sc.Text()
}

func nextInt() int {
	i, _ := strconv.Atoi(nextLine())
	return i
}

func ncr(n, r, t int) bool {
	if n < 0 || r < 0 || r > n {
		return false
	}

	k := r
	if k > n/2 {
		k = n - r
	}

	ret := int(1)
	for i := int(1); i <= k; i++ {
		ret *= n - i + 1
		ret /= i

		if ret >= t {
			return false
		}
	}
	return true
}