import java.util.Scanner;

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

Scanner scanner = new Scanner(System.in);

int a = scanner.nextInt();

int b = scanner.nextInt(); 

int s = (2*a+b)%3; 

if (s==0){ System.out.println("普通");

} else if (s==1){ System.out.println("吉");

}

else{  System.out.println("大吉");

}

}

}