// yukicoder: No.250 atetubouのzetubou
// 2019.7.15 bal4u

#include <stdio.h>

typedef long long ll;
#if 1
#define gc() getchar_unlocked()
#define pc(c) putchar_unlocked(c)
#else
#define gc() getchar()
#define pc(c) putchar(c)
#endif
int in() {   // 非負整数の入力
	int n = 0; int c = gc();
	do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0');
	return n;
}

ll In() {   // 非負整数の入力
	ll n = 0; int c = gc();
	do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0');
	return n;
}

void outs(char *s) { while (*s) pc(*s++); pc('\n'); }

int main()
{
	int i, Q, D, X; ll T, ans;
	
	Q = in(); while (Q--) {
		D = in(), X = in(), T = In(), ans = 1;
		for (i = 1; i < D; i++) {
			if ((ans = ans*(X+i)/i) > T) break;
		}
		outs(ans <= T? "AC": "ZETUBOU");
	}
	return 0;
}