import java.util.*;

public class Exercise120{
  public static void main (String[] args){

    Scanner sc = new Scanner(System.in);

    int n = sc.nextInt();

    int[][] each = new int[n][3];
    int max = 0;
    for(int i = 0; i < n; i++){
      each[i][0] = sc.nextInt();
      each[i][1] = sc.nextInt();
      each[i][2] = sc.nextInt();
      max = Math.max(max, each[i][1] + each[i][0] - 1);
    }

    int[][] dp = new int[max + 1][max + 1];
    for(int i = 0; i <= max; i++){
      for(int j = 0; j <= i; j++){
        if(j == 0 || j == i){
          dp[i][j] = 1;
        }else{
          dp[i][j] = dp[i - 1][j - 1] + dp[i - 1][j];
        }
      }
    }
    for(int i = 0; i < max + 1; i ++){
    }
    for(int i = 0; i < n; i++){
      if(dp[each[i][1] + each[i][0] - 1][each[i][1]] > each[i][2]){
        System.out.println("ZETUBOU");
      }else{
        System.out.println("AC");
      }
    }
  }
}