#include #define FOR(i,a,b) for(int i = (a); i < (b); ++i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) for(int i = (n) - 1; (i) >= 0; --i) #define SZ(n) (int)(n).size() #define ALL(n) (n).begin(), (n).end() #define MOD LL(1e9 + 7) #define INF 1000000 using namespace std; typedef long long LL; typedef vector VI; typedef pair PI; int main() { int q; cin >> q; string ac = "AC"; string ze = "ZETUBOU"; vector ans; REP(i, q) { int d, x, t; cin >> d >> x >> t; LL sum = 1; FOR(j, 1, d) { sum *= (x + j); sum /= j; if (sum > t) break; } if (t >= sum) ans.push_back(ac); else ans.push_back(ze); } for (string e : ans) { cout << e << endl; } return 0; }