main(c,D,X){
	gets(&D);
	for(long long T,p;scanf("%d%d%lld",&D,&X,&T) != -1; ) {
		for(p=c=1;c<D&&p<=T;p/=c++)p*=X+c;
		puts(p<=T?"AC":"ZETUBOU");
	}
        return 0;
}