#define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #ifdef __unix__ #include <bits/stdc++.h> #else #include "bits\stdc++.h" #endif #include <vector> #include <set> #include <string> #include <queue> #include <list> #define REP(i,a,b) for(i=a;i<b;i++) #define rep(i,n) REP(i,0,n) using namespace std; #define VI vector<int> #define ll long long #define ull unsigned ll typedef long double ld; #define SQR(X) ( (X)*(X) ) #define CUBE(X) ( (X)*(X)*(X) ) int main() { bool test = true; int i,j,k; int q; ull d,x,t; ull tle = (ull)1e15; cin >> q; while(cin >> d >> x >> t) { ull a=1; int n=x+d-1,r=x; if(r > n/2) r = n - r; for(i=0;i<r;i++) { a *= n-r+1+i; a /= i+1; if(a >= tle) { a = tle; goto end; } } end: if(a > t) puts("ZETUBOU"); else puts("AC"); // if(test) printf("a = %d\n",a); } return 0; } // //signed main() { // int i,j,k,l; // cin.tie(0); // ios::sync_with_stdio(false); // bool test = 1; // return 0; //}